Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh toan » thanh hoa, thanh san
thanh hang » thanh hoang, thanh thang, tranh hang
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, 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 - ((((tinh toan) or (thanh toan))) or (anh tuan)) thanh hang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((((tinh toan) OR (thanh toan))) OR (anh tuan)) thanh hang cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((((tinh toan) or (thanh toan))) or (anh tuan)) thanh hang cong dan than cau*.