Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh qua » trinh quan, trinh cua, trinh quang
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
toan ban » van ban
ho hieu » hoi hieu, nho hieu, co hieu
qua ban » cua ban, qua quan

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

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