Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
hang cong » dang cong, hang nong, bang cong
manh toan » thanh toan, anh tuan
tung va » trung va, tuong va, dung va
va hang » van hang, va nang, va lang

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 tung va hang cong ((manh toan) or (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung va hang cong ((manh toan) OR (tinh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung va hang cong ((manh toan) or (tinh toan)) cao*.