Perhaps you should try some spelling variations:
dinh quang » tinh quang, dinh duong, dinh huong
minh quang » tinh quang, minh hoang, minh tuan
chien soat » thien hoat
van chien » van hien, van hieu, van tien
dung quan » dung quang, dung luan, luong quan
lieu soat » kiem soat, hieu suat, lieu so
quan vat » quan va, quan sat, quan van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( ((dinh quang) or (minh quang)) luan van chien soat ) or ( tin dung quan vat lieu soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((dinh quang) OR (minh quang)) luan van chien soat ) OR ( tin dung quan vat lieu soat )).
• Adding a wildcard symbol may retrieve word variants: (( ((dinh quang) or (minh quang)) luan van chien soat ) or ( tin dung quan vat lieu soat ))*.