Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan nhung » qua nhung, cua nhung, luan chung
ban thanh » ban hanh, ban hang
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
hoc ban » hoc bang, hoc dan, hoc bai

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

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