Perhaps you should try some spelling variations:
thanh duong » thanh huong, thanh cuong, thanh vuong
hieu nganh » vien nganh, hiem ngan, hieu manh
hieu xanh » chieu xanh, hieu manh, dieu hanh
duong cua » dung cua, huong cua, duong qua
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
san tran » ban tran, dang tran, san trung

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: doc ((hieu xanh) OR (hieu nganh)) - thanh duong cua dung cong ((san tran) OR (tan tran)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) or (hieu nganh)) - thanh duong cua dung cong ((san tran) OR (tan tran)) cau~".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) or (hieu nganh)) - thanh duong cua dung cong ((san tran) OR (tan tran)) cau*.