Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong cao » truong dai
hieu manh » chieu xanh, hieu nganh, dieu hanh
cao nhung » cho nhung, cam nhung, cao chung
doc hieu » toc thieu, hoc thieu, hoc hien
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu manh - hanh truong cao nhung ((cong tan) or (cong san)) ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu manh - hanh truong cao nhung ((cong tan) OR (cong san)) ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doc hieu manh - hanh truong cao nhung ((cong tan) or (cong san)) ((toan cao) or (toan ban))*.