Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
theo chieu » theo tieu, ho chieu, thi chieu
theo chu » cho chu, chao chu, theo yeu
ban tang » ban trang, ban hang, ba tang
tang vat » tang van, dang vat, bang vat
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong ty
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (theo chu)) sang - ban tang vat dung ((cong thanh) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) sang - ban tang vat dung ((cong thanh) OR (cong tan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) sang - ban tang vat dung ((cong thanh) or (cong tan)) toan cau*.