Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong bang » cuong bang, dong bang, cong lang
hong bang » dong bang, hang ban, hong hanh
mai dung » mai hung, mai huong, manh dung
than cao » toan cao, thai cao, than cap

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 xanh) or (hieu manh)) - thanh thuong mai dung ((cong bang) OR (hong bang)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh thuong mai dung ((cong bang) OR (hong bang)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - thanh thuong mai dung ((cong bang) OR (hong bang)) than cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - thanh thuong mai dung ((cong bang) OR (hong bang)) than cao*.