Perhaps you should try some spelling variations:
lang ying » liang ying, huang ying, zhang ying
wong john » wrong john, kong john, longo john
yang lin » yang jin, wang lin, yang liang
kong eiu » tonga eiu
yang li » yang di, yang xi, yang yi
li wong » li cong, li rong, li song
sin » sign, sind, skin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: lang ying ((yang li) OR (yang lin)) li wong john ((kong eiu) OR (dong sin)) ;~.
• Adding a wildcard symbol may retrieve word variants: lang ying ((yang li) or (yang lin)) li wong john ((kong eiu) or (dong sin)) ;*.