Perhaps you should try some spelling variations:
hanh mang » nhanh mang, hanh trang, nhanh lang
hang cong » dang cong, hang nong, bang cong
chi tach » chiet tach, chi thanh, che tac
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cao » toan ban, toan tap
va hang » van hang, va nang, va lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi tach) or (chiu trach)) - ((hanh mang) or (canh tranh)) va hang cong tan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi tach) OR (chiu trach)) - ((hanh mang) OR (canh tranh)) va hang cong tan toan cao.
• Adding a wildcard symbol may retrieve word variants: doi ((chi tach) or (chiu trach)) - ((hanh mang) or (canh tranh)) va hang cong tan toan cao*.