Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
hieu manh » chieu xanh, hieu nganh, dieu hanh
quan dung » quang dung, quan duong, qua dung
hoc hieu » hoc thieu, hoc hien, doc hieu
cong ban » cong bang, cong dan, dong ban
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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 - hanh trinh quan dung ((((cong ban) or (cong tan))) or (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh trinh quan dung ((((cong ban) OR (cong tan))) OR (cong san)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh trinh quan dung ((((cong ban) or (cong tan))) or (cong san)) toan cau*.