Perhaps you should try some spelling variations:
lang wang » lang lang, hong wang, ping wang
wang yang » wang yan, wang liang, wang yanling
ying john » king john, young john, ying jin
wong sam » wong sau, wong lai, von sam
li ku » li kui, li lu, li wu
li ju » li jun, li lu, li wu
sar » sara, star, saur

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 wang yang ((((li ku) OR (li ke))) OR (li ju)) ying john ((wong sam) OR (kong sar)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang wang yang ((((li ku) or (li ke))) or (li ju)) ying john ((wong sam) OR (kong sar)) ;~".
• Adding a wildcard symbol may retrieve word variants: lang wang yang ((((li ku) or (li ke))) or (li ju)) ying john ((wong sam) OR (kong sar)) ;*.