Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
canh trang » canh tranh, hanh trang, banh trang
mot chieu » doi chieu, ho chieu
dung cong » dung trong
trang va » tran van, hang va
cong san » cong tac
chan cau » phan cau, chinh cau, nhanh cau
va dung » van dung, va duong, vat dung
can cau » van cau, ban cau, ca cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (theo chieu)) xanh - canh trang va dung cong san ((chan cau) OR (can cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (theo chieu)) xanh - canh trang va dung cong san ((chan cau) OR (can cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (theo chieu)) xanh - canh trang va dung cong san ((chan cau) OR (can cau))".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (theo chieu)) xanh - canh trang va dung cong san ((chan cau) OR (can cau))*.