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

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 (doc hieu)) xanh - ((hanh tran) OR (thanh tran)) van dung cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) xanh - ((hanh tran) OR (thanh tran)) van dung cong tac toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doc hieu)) xanh - ((hanh tran) OR (thanh tran)) van dung cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) xanh - ((hanh tran) OR (thanh tran)) van dung cong tac toan tap*.