Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chiet tach » chieu sach
canh trinh » canh tranh, hanh trinh, canh tinh
thuong dan » huong dan, thuong han, thuong dam
trinh vat » trinh van, trinh luat, sinh vat
vat hang » van hang, dat hang, va hang
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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 (chiet tach)) - canh trinh vat hang thuong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chiet tach)) - canh trinh vat hang thuong dan phan cau*.