Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
manh dung » manh hung, manh tung, anh dung
cong bang » cuong bang, dong bang, hong bang
bang than » bang thanh, ban than, sang than
mai dung » mai hung, mai huong, ap 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 - thanh thuong ((mai dung) OR (manh dung)) cong bang than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh thuong ((mai dung) OR (manh dung)) cong bang than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh thuong ((mai dung) OR (manh dung)) cong bang than cao*.