Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, mot chieu
hinh dinh » binh dinh, trinh dinh, hinh anh
ve hoang » le hoang, vu hoang, viet hoang
nong tan » cong tan, nong dan, nong san
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
ve hang » ve chang, va hang, ve hanh

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hinh dinh ((ve hang) OR (ve hoang)) nong tan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - hinh dinh ((ve hang) OR (ve hoang)) nong tan toan cao*".