Perhaps you should try some spelling variations:
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
qua trong » quan trong, qua trinh, qua song
ho chieu » theo chieu, hoc thieu, mot chieu
cong san » cong tac
san than » sang than, san thanh, 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: ((doi chieu) OR (ho chieu)) xanh - ((thanh trung) or (thanh tung)) qua trong cong san than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) xanh - ((thanh trung) OR (thanh tung)) qua trong cong san than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (ho chieu)) xanh - ((thanh trung) or (thanh tung)) qua trong cong san than cap*".