Perhaps you should try some spelling variations:
chinh dinh » hinh dinh, chinh minh, chinh hinh
trong tang » trong trang, trong dang, trong tieng
hieu lang » chieu sang, hieu quang, nhieu tang
trong tan » trong quan, trong cac, trong ca
doi hieu » doi chieu, doc hieu, doi hien
dinh ung » dinh hung, dinh dung, dinh sung
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 tang) or (trong tan)) phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - chinh dinh ung dung ((trong tang) OR (trong tan)) phan lap.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - chinh dinh ung dung ((trong tang) or (trong tan)) phan lap*.