Could't make Search form in Khmer Language (Cambodian Language)

[sseiharath]

Please help,

I have database that contain fields in English and Khmer language (Cambodian Language), I could't search records in Khmer Language fields, but for English fields working, Please help.
Thank you. hope full.

 

[Uncle Gizmo]

Please Provide an Example...

 

[sseiharath]

Dear Uncle Gizmo,

I make search form like attach picture, In header have combobox to select columns for searching and in next text box for typing the keywords, in western characters fields or English characters fields working well, but in field that contain words in our language not working,
Please tell me how I can do?
Thank you.