Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
hang cong » dang cong, hang nong, bang cong
doi hieu » doi chieu, doc hieu, doi hien
cua hang » cua dang, cua nhung, cua cong
cong ban » cong bang, cong san, cong tan
ban phan » ban phap, van phan, ban than
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - ((hanh chinh) or (canh tranh)) cua hang cong ban phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - ((hanh chinh) OR (canh tranh)) cua hang cong ban phan cau.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - ((hanh chinh) or (canh tranh)) cua hang cong ban phan cau*.