Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
dung cong » dung trong
chao chu » cho chu, cao cho, chao xu
thang va » hang va, trang va, thong va
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
cua chu » sua chua
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((chao chu) or (cua chu)) xanh - cang thang va dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((chao chu) OR (cua chu)) xanh - cang thang va dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((chao chu) or (cua chu)) xanh - cang thang va dung cong tac toan cau*.