Perhaps you should try some spelling variations:
thanh trung » thanh tung
luong cong » dung cong, trong cong, tong cong
hoc thieu » toc thieu, hoc hien
trung van » truong van, trong van, trung va
cong cong » cong dong, trong cong, dung cong
tan thanh » tran thanh, tang thanh, toan thanh
thanh lap » thanh san, phan lap, thanh hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (theo tieu)) xanh - thanh trung van ((luong cong) OR (cong cong)) tan thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (theo tieu)) xanh - thanh trung van ((luong cong) OR (cong cong)) tan thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (theo tieu)) xanh - thanh trung van ((luong cong) OR (cong cong)) tan thanh lap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (theo tieu)) xanh - thanh trung van ((luong cong) OR (cong cong)) tan thanh lap*.