pdo - MySQL Query issue; Illegal mix of collations for operation 'like' -

I do not know what I'm doing wrong in the following questions;

  SELECT main.id as id, d.name as departmentName, sectionName as s.name, fullName as m.fullName, as the title of main.title, main Prior to EntryDate pre_tickets, include pre_ticketscategory as main INNER in pre_ticketscategory D on d.id = Main.mainCategory_id IN_ER as s.id = main.category_id INNER mid = main.member_id Join form, where main.softDelete = '0' and main.parent_id = '0' and main.status = '0' and ('main_id' my_query_Å ?? '%' or 'd.name' such as'% my_query_Å ?? Like '% my_query_Å ??'% 'or m.full name like'% my_query_Å? ''% 'Or' main.title 'like' sname. ' '%' Or 'main.entryDate' like '% my_query_Å ??%') by ORDER main.id LIMIT 0, 25   
 <  
  all 3 tables (including fields);  
  Illegal mix of collations (including fields) for action;  Error   / Strong>  
  Character set:  UTF-8  
  Collation:  Utf_8_general_ci  
 I am using PDO (I also run queries directly from PHPMYAdmin and Navicat with the same result) I use UTF-8 for my connection ( SET NAMES utf8  command).  
 When I do not use Johns then I do not have this problem.  
 If I  Å ?? , then everything works as expected, no error, although if I do not get the error, then should not support such letters with UTF-8 characters utf_8_general_ci collation?  
  Note:   
 Here's the weird part;  
 
 
 If I type  Å in my query ??  then my query works  
 (main.id '% my_query%' or '% my_query%' or ''% my_query% 'or' s.name ' Like 'name my_query%' or 'main_name' like '% my_query%' or '% my_query%' like main.title '% my_query%' or main.entryDate). / P>  
 
 If I in my query  Å ??  and extends the main.id and main.entry queries, then my query still works;  
 (e.g., '% my_query_Å ??' or 'sname.' Such as '% my_query_Å ??'% 'or m.full name'% my_query_Å ?? '%' or main.title's Like '% my_query_Å <% 1)   
 
 If I do not use  JOIN , then I  Å ??  and still use ID and insertion fields in my query without any problems.  
 SELECT id, title, entry Pre_tickets to date  
 WHERE  
 softDelete = '0' and parent_id = '0' and position = '0' and (  ID         
      
  ID  is  integer  field while  entry  is  the date Time  field.  
 I would be happy if someone can explain to me what I am doing and how can I fix this problem?   
 
 
 Since there was no answer, I decided to answer my own question;  
 I have not really decided it, I got the problem and the query worked as possible without error.  
 My solution was to remove all integer fields from the query, so I did not get any error. This was not a good solution, but at least it still I have some fields without any errors Used to search.  
 I hope this will be helpful.