Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
truong cao » truong dai
hieu xanh » hieu manh, hieu nganh, dieu hanh
cao nhung » cho nhung, cam nhung, cao chung
cuong bai » uong bi
cuong ma » cuong _
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) OR (chieu xanh)) - thanh truong cao nhung ((cuong bai) or (cuong ma)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - thanh truong cao nhung ((cuong bai) OR (cuong ma)) toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (chieu xanh)) - thanh truong cao nhung ((cuong bai) or (cuong ma)) toan tap".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (chieu xanh)) - thanh truong cao nhung ((cuong bai) or (cuong ma)) toan tap*.