Perhaps you should try some spelling variations:
quang tuan » quang thanh, quan luan
tinh dung » trinh dung, tin dung, tinh quang
kiem soat » kiem toan
quang cua » quan cua, quang huy, dung cua
hieu soat » hieu suat, hieu hoat, hieu luat
van hieu » cao hieu
luan va » luan van, luat va
va kiem » van kien

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 va kiem soat ) or ( tinh ((quang cua) or (quang tuan)) van hieu soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan va kiem soat ) OR ( tinh ((quang cua) OR (quang tuan)) van hieu soat )).
• Adding a wildcard symbol may retrieve word variants: (( tinh dung luan va kiem soat ) or ( tinh ((quang cua) or (quang tuan)) van hieu soat ))*.