Perhaps you should try some spelling variations:
quang thanh » quan thanh, hoang thanh, muong thanh
hong quang » thong quang, cong quang, hong quan
tinh dung » trinh dung, tin dung, tinh quang
hieu suat » hieu luat, hieu qua
dinh hong » dinh huong, dinh hung, dinh thuong
kiem toan » ke toan, kiem tra
van hieu » cao hieu
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh dung luan van hieu suat ) or ( dinh hong quang thanh ((kiem soat) OR (kiem toan)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan van hieu suat ) OR ( dinh hong quang thanh ((kiem soat) OR (kiem toan)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tinh dung luan van hieu suat ) or ( dinh hong quang thanh ((kiem soat) OR (kiem toan)) ))".
• Adding a wildcard symbol may retrieve word variants: (( tinh dung luan van hieu suat ) or ( dinh hong quang thanh ((kiem soat) OR (kiem toan)) ))*.