Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
chap nang » phap nang, chang nang, cam nang
chai nang » chang nang, phap nang, cam nang
cong danh » cuong danh, cong dan, cong thanh
danh toan » manh toan, anh toan, dan toan
toan ban » van ban

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 - canh tranh ((chap nang) or (chai nang)) cong danh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tranh ((chap nang) OR (chai nang)) cong danh toan ban*.