Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
tranh thai » trang thai, tran thi, tinh thai
hoc thieu » toc thieu, hoc hien
thai vung » thai cong, thai van
vung cong » dung cong, vung dong, vung song
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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 - canh tranh thai vung cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tranh thai vung cong tac toan cau*.