Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hieu lang » chieu sang, hieu quang, nhieu tang
hang nong » thang long, han tong
anh tang » anh bang, anh dang, anh nang
nong dan » cong dan, nong san, nguong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
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: theo ((hieu lang) or (chieu sach)) - ((anh tang) or (canh tranh)) va hang nong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu sach)) - ((anh tang) OR (canh tranh)) va hang nong dan than ban.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu sach)) - ((anh tang) or (canh tranh)) va hang nong dan than ban*.