Perhaps you should try some spelling variations:
hieu soat » hieu suat, hieu hoat, hieu luat
trinh dag » trinh dan, trinh dao, trinh dai
cong tuan » cong tan, cong luan, cong thanh
tuan kiem » toan kiem, tran kiem, tuan kiet
kiem soat » kiem toan
van hieu » cao hieu
trinh da » trinh dan, trinh dao, trinh do
tin » tinh
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: (( tin dung luan van hieu soat ) or ( ((trinh dag) or (trinh da)) cong tuan kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan van hieu soat ) OR ( ((trinh dag) OR (trinh da)) cong tuan kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung luan van hieu soat ) or ( ((trinh dag) or (trinh da)) cong tuan kiem soat ))*.