Perhaps you should try some spelling variations:
dung quang » dang quang, dung quan, luong quang
quang tran » quang tuan, quang trung, quang thanh
dinh luong » dinh duong, dinh huong, dinh cuong
tran hieu » tran hien, tran hiep, trung hieu
hieu soat » hieu suat, hieu hoat, hieu luat
kiem soat » kiem toan
quan va » quan vi, quan ha, quan ve
luan va » luan van, luat va
tin » tinh

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

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