Perhaps you should try some spelling variations:
hang nguong » hang nguon, hang thuong, hang nong
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
canh trinh » canh tranh, hanh trinh, canh tinh
nguong dan » huong dan
trinh vat » trinh van, trinh luat, sinh vat
vat hang » van hang, dat hang, va hang
gian cau » gian chau, gian cac, gian cam

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 xanh) or (chieu sach)) - canh trinh vat hang nguong dan gian cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh trinh vat hang nguong dan gian cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - canh trinh vat hang nguong dan gian cau*.