Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hoang manh » hoang minh, hoang anh, hoang xanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
dang nong » dang cong, hang nong, tang nong
manh cua » doanh cua, ban cua
cua dang » cua cong, cua ban
nong ban » nong dan, nong san, dong ban
ban than » ban thanh, van thanh, ban hang
than cao » toan cao, thai cao, than cap

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 manh) or (chieu sach)) - hoang manh cua dang nong ban than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - hoang manh cua dang nong ban than cao.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - hoang manh cua dang nong ban than cao*.