Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh luan » trinh luat, trinh quan, trinh han
luan hung » luan chung, lan hung, luan ung
cong tan » cong tac, cong thanh, cong ha
cong san » cong tac
toan ban » van ban
cho chu » cho thue
chu han » chu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu han - hanh trinh luan hung ((((cong tan) OR (cong ty))) or (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu han - hanh trinh luan hung ((((cong tan) OR (cong ty))) OR (cong san)) toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chu han - hanh trinh luan hung ((((cong tan) OR (cong ty))) or (cong san)) toan ban*".