Perhaps you should try some spelling variations:
chua nang » chuc nang, chua xang, kha nang
tang luan » dung luan
cho chua » cho chu, cho cua, ho chua
tang cua » mang cua, hang cua, thong cua
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: cho chua nang - hanh ((tang cua) or (tang luan)) trong cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chua nang - hanh ((tang cua) OR (tang luan)) trong cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: cho chua nang - hanh ((tang cua) or (tang luan)) trong cong tac toan cao*.