Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
cong thanh » dong thanh, cong trinh, truong thanh
ho chieu » hoc thieu, doi chieu, mot chieu
tung vat » dung vat, tang vat, tung va
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong ty

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 (theo chieu)) xanh - thanh tung vat dung ((cong tan) or (cong thanh)) van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh tung vat dung ((cong tan) OR (cong thanh)) van ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh tung vat dung ((cong tan) or (cong thanh)) van ban*.