Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh trang » thanh trung, canh tranh, hanh trinh
mot chieu » doi chieu, ho chieu
dung cong » dung trong
trang va » tran van, hang va
cong tac » cong ty
va dung » van dung, va duong, vat dung
tac ran » tac can, tac van, tac quan
ran cau » van cau, ban cau, can 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))) or (doi khi)) xanh - hanh trang va dung cong tac ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((mot chieu) OR (theo chieu))) OR (doi khi)) xanh - hanh trang va dung cong tac ran cau.
• Adding a wildcard symbol may retrieve word variants: ((((mot chieu) or (theo chieu))) or (doi khi)) xanh - hanh trang va dung cong tac ran cau*.