Perhaps you should try some spelling variations:
chinh dinh » hinh dinh, chinh minh, chinh hinh
trong dang » truong dang, trong dan, trong dong
hieu lang » chieu sang, hieu quang, nhieu tang
doi hieu » doi chieu, doc hieu, doi hien
dinh ung » dinh hung, dinh dung, dinh sung
trong ca » trong cac, trong nha
phan lap » phan dau

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 - chinh dinh ung dung ((trong dang) or (trong ca)) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - chinh dinh ung dung ((trong dang) OR (trong ca)) phan lap.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - chinh dinh ung dung ((trong dang) or (trong ca)) phan lap*.