Perhaps you should try some spelling variations:
thanh tung » thanh cong
khong cong » thong cong, khong cang, chong cong
mot chieu » doi chieu
cua khong » hua khong, cua phuong, cua thuong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (mot chieu)) xanh - ((thanh trung) OR (thanh tung)) cua khong cong tan than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) xanh - ((thanh trung) OR (thanh tung)) cua khong cong tan than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (mot chieu)) xanh - ((thanh trung) OR (thanh tung)) cua khong cong tan than cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) xanh - ((thanh trung) OR (thanh tung)) cua khong cong tan than cap*.