Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh chat
chieu sach » chinh sach, chiet tach, chieu sang
trinh thuc » trinh tu, trinh thi
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh ((trinh thuat) or (trinh thuc)) nhung cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh ((trinh thuat) OR (trinh thuc)) nhung cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh ((trinh thuat) or (trinh thuc)) nhung cong tan toan tap*.