Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
ho chieu » hoc thieu, doi chieu, mot chieu
tung anh » trung anh, tung manh, hung anh
nong san » cong san, nong dan, trong san
dong san » cong san, dong bang, dong von
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 chieu) OR (ho chieu)) sach - thanh tung anh tuan ((nong san) or (dong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (ho chieu)) sach - thanh tung anh tuan ((nong san) OR (dong san)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) OR (ho chieu)) sach - thanh tung anh tuan ((nong san) or (dong san)) toan cao*".