Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
nhan cach » phan cac
hoc hieu » hoc thieu, hoc hien, doc hieu
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
cong tan » cong san, cong thanh, cong ty
tran va » tran van, trang va, toan va

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 manh - canh ((tran va) or (tranh va)) nhung ((cong tac) or (cong tan)) nhan cach~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh ((tran va) OR (tranh va)) nhung ((cong tac) OR (cong tan)) nhan cach.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh ((tran va) or (tranh va)) nhung ((cong tac) or (cong tan)) nhan cach*.