Perhaps you should try some spelling variations:
chiet tach » chieu sach
manh tung » manh hung, thanh tung
cong nong » cong dong, cong cong, cong trong
tung cua » trung cua, tuong cua, dung cua
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: ho ((chiet tach) or (chinh sach)) - manh tung cua cong nong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chinh sach)) - manh tung cua cong nong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chinh sach)) - manh tung cua cong nong dan toan cao*.