Perhaps you should try some spelling variations:
dinh cuong » dinh duong, dinh huong
cuong luan » cuong quan, cong luan, truong luan
quang luan » quan luan, quang tuan, quang uan
hieu suat » hieu luat, hieu qua
kiem soat » kiem toan
luan va » luan van, luat va
va hieu » van hieu, va dieu, va hien
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: (( dinh cuong luan va hieu suat ) or ( tinh quang luan va kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( dinh cuong luan va hieu suat ) OR ( tinh quang luan va kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( dinh cuong luan va hieu suat ) or ( tinh quang luan va kiem soat ))*.