Perhaps you should try some spelling variations:
chua xang » chua nang, chuc nang, chu bang
hanh dang » hanh dong, hanh dung, hanh mang
dung cong » dung trong
anh dang » anh dong, anh dung, anh bang
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
chu han » chu van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chua xang) or (chu han)) - ((hanh dang) or (anh dang)) qua dung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chua xang) OR (chu han)) - ((hanh dang) OR (anh dang)) qua dung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chua xang) or (chu han)) - ((hanh dang) or (anh dang)) qua dung cong tac toan cau*.