Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu xanh » chieu sang, chieu tinh, hieu manh
hieu lang » chieu sang, hieu quang, nhieu tang
dang nong » dang cong, hang nong, tang nong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
nong dan » cong dan, nong san, nguong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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 xanh) OR (chieu sach)))) - anh tang cua dang nong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (((chieu xanh) OR (chieu sach)))) - anh tang cua dang nong dan toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) or (((chieu xanh) OR (chieu sach)))) - anh tang cua dang nong dan toan cao".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (((chieu xanh) OR (chieu sach)))) - anh tang cua dang nong dan toan cao*.