Perhaps you should try some spelling variations:
tinh cuong » dinh cuong, tinh huong, minh cuong
cuong luan » cuong quan, cong luan, truong luan
quang tran » quang tuan, quang trung, quang thanh
hieu luat » hieu qua
kiem soat » kiem toan
van hieu » cao hieu
van kiem » va kiem, van kien, van hien

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

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