Perhaps you should try some spelling variations:
hung thang » cang thang, hung tran
cong thanh » dong thanh, cong trinh, truong thanh
hieu cach » hieu cac, chieu sach, hieu ca
hoc hieu » hoc thieu, hoc hien, doc hieu
thang va » hang va, trang va, thong va
cong tan » cong tac, cong san, cong ty
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: hoc hieu cach - hung thang va nhung ((cong tan) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu cach - hung thang va nhung ((cong tan) OR (cong thanh)) toan tap*.