Perhaps you should try some spelling variations:
hanh tran » hanh trang, thanh tran, hanh tram
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
van dung » van dong, xay dung, tin dung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chi)) xanh - ((hanh tran) or (canh tranh)) van dung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chi)) xanh - ((hanh tran) OR (canh tranh)) van dung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chi)) xanh - ((hanh tran) or (canh tranh)) van dung cong tac toan cao*.