Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tran » thanh trang, thanh toan, thanh tra
van nhuong » van chuong, van phuong, van huong
cong thanh » dong thanh, cong trinh, truong thanh
hoc thieu » toc thieu, hoc hien
thanh lap » thanh san, phan lap, thanh hai
tran van » luan van
cong tan » cong tac, cong ty, cong ha
cong san » cong tac

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: hoc thieu xanh - thanh tran van nhuong ((((cong tan) OR (cong thanh))) OR (cong san)) thanh lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tran van nhuong ((((cong tan) OR (cong thanh))) or (cong san)) thanh lap~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tran van nhuong ((((cong tan) OR (cong thanh))) or (cong san)) thanh lap*.