Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
hoc thien » hoc hien, hoc thieu, hoc thiet
trong ban » trong san, trong tan, trong quan
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
nong san » cong san, nong dan, trong san
dong san » cong san, dong bang, dong von

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien thanh - ((nong san) OR (dong san)) su dung trong ban thanh lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thien thanh - ((nong san) OR (dong san)) su dung trong ban thanh lap".
• Adding a wildcard symbol may retrieve word variants: hoc thien thanh - ((nong san) OR (dong san)) su dung trong ban thanh lap*.