Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
theo chieu » theo tieu, ho chieu, theo chu
canh trinh » canh tranh, hanh trinh, canh tinh
doi chieu » doc hieu, doi chi, mot chieu
trinh vat » trinh van, trinh luat, sinh vat
hang cong » dang cong, hang nong, bang cong
dan thanh » dang thanh, danh thanh, ban thanh
vat hang » van hang, dat hang, va hang
cong dan » cong san, cong tan, huong dan

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 (theo chieu)) sang - canh trinh vat hang cong dan thanh thanh~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (theo chieu)) sang - canh trinh vat hang cong dan thanh thanh*.