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
hanh dung » thanh dung, anh dung, hanh dong
hang nong » thang long, han tong
manh toan » thanh toan, anh tuan, tinh toan
va hang » van hang, va nang, va lang
van tan » van tuan, van ban, van tai

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