Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
tuan duong » tuyen duong, tuong duong, van duong
hoc thieu » toc thieu, hoc hien
quan dong » quang dong, quan long, quan hoang
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: hoc thieu xanh - thanh tung ((quan dong) or (tuan duong)) cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung ((quan dong) OR (tuan duong)) cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung ((quan dong) or (tuan duong)) cong tac toan cao*.