Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
ban thanh » ban hanh, ban hang
thanh cac » hanh cac, thanh bac, thanh ca
chu sang » thu sang, chieu sang, chuc nang
chu bang » thu bang, chuc nang, chu quang
cua hang » cua dang, cua nhung, cua ban
cong ban » cong bang, cong san, cong tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chu sang) or (chu bang)) - hanh trinh ((cua hang) OR (cua cong)) cong ban thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chu sang) OR (chu bang)) - hanh trinh ((cua hang) OR (cua cong)) cong ban thanh cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chao ((chu sang) or (chu bang)) - hanh trinh ((cua hang) OR (cua cong)) cong ban thanh cac".
• Adding a wildcard symbol may retrieve word variants: chao ((chu sang) or (chu bang)) - hanh trinh ((cua hang) OR (cua cong)) cong ban thanh cac*.