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
nguong dan » huong dan
tranh va » tranh van, trang va, trinh va
dan phan » doan phan, dan chan, van phan
va hang » van hang, va nang, va lang

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