Perhaps you should try some spelling variations:
manh truong » manh trung, manh tuong, anh truong
luong cong » trong cong, cong cong, tong cong
dung cong » dung trong
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
thi hieu » thi chieu, thi hien, thi dieu
theo chu » theo chieu, cho chu, chao chu

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

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