Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
theo chieu » theo tieu, theo chu, thi chieu
tuong quan » truong quan, thong quan, luong quan
quan hang » quan hoang, quan lang, quan hanh
ho chieu » hoc thieu, doi chieu, mot chieu
nong van » song van, nong san, tong van
nong dan » cong dan, nong san, nguong dan
tuan cao » toan cao, juan cao, quang cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) tinh - thanh tuong quan hang ((nong van) OR (nong dan)) tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - thanh tuong quan hang ((nong van) OR (nong dan)) tuan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) tinh - thanh tuong quan hang ((nong van) OR (nong dan)) tuan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) tinh - thanh tuong quan hang ((nong van) OR (nong dan)) tuan cao*.