Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
ho chieu » hoc thieu, doi chieu, mot chieu
nong san » cong san, dong san, trong san
nong dan » cong dan, nguong dan, huong dan
toan cao » toan ban, toan tap
cong va » dong va, cong ha, cong tac
va hang » van hang, va nang, va lang

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

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