Perhaps you should try some spelling variations:
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
dang cong » dung cong
anh tang » anh bang, anh dang, anh sang
anh nang » ganh nang, anh bang, anh dang
van dang » van dong, van dung, van nang
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: theo hieu lang - ((anh tang) or (anh nang)) van dang cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - ((anh tang) OR (anh nang)) van dang cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - ((anh tang) or (anh nang)) van dang cong tac toan tap*.