Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
hanh tang » hanh trang, anh tang, hanh mang
dang cong » dung cong
cua dang » cua cong, cua ban
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 ((hieu lang) or (chieu sang)) - ((hanh tang) or (canh tranh)) cua dang cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - ((hanh tang) OR (canh tranh)) cua dang cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sang)) - ((hanh tang) or (canh tranh)) cua dang cong tac toan tap*.