Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh dung » thanh duong, thanh tung, thanh hung
hoc thieu » toc thieu, hoc hien
bang cong » dang cong, bang song, hang cong
manh toan » thanh toan, anh tuan, tinh toan
dung cua » dung luan, dung cho
cua bang » chua bang, cua ban, cua dang
dan toan » van toan, dan than, xuan toan

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 dung cua bang cong ((dan toan) or (manh toan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh dung cua bang cong ((dan toan) OR (manh toan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh dung cua bang cong ((dan toan) or (manh toan)) ban*.