Perhaps you should try some spelling variations:
lang yang » wang yang, lang lang, ylang ylang
yang yang » wang yang, wang yan
ding john » king john, kong john, wong john
wong siu » wong shiu, kong siu, wong sau
yang yi » yang di, yang xi, yang jui
xu ding » lu ding, xu ting
yi xu » yi wu

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yang yang yi xu ding john ((wong lai) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yang yang yi xu ding john ((wong lai) OR (wong siu)) ;*.