Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hay nhung » tay nhung, tham nhung, thai nhung
thai vung » thai cong, thai van
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu xanh - thanh tung ((hay nhung) or (thai vung)) cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu xanh - thanh tung ((hay nhung) OR (thai vung)) cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: toc thieu xanh - thanh tung ((hay nhung) or (thai vung)) cong tac toan cao*.