Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chao chieu » cao hieu, chao chu, theo chieu
thanh hung » thanh huong, thanh tung, thanh trung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
qua dung » quang dung, su dung, qua 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: ((chao chieu) or (ho chieu)) xanh - ((thanh thuong) or (thanh hung)) qua dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((chao chieu) OR (ho chieu)) xanh - ((thanh thuong) OR (thanh hung)) qua dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((chao chieu) or (ho chieu)) xanh - ((thanh thuong) or (thanh hung)) qua dung cong tac toan cau*.