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, dunning john
wong john » wrong john, kong john, longo john
wong siu » wong shiu, kong siu, wong sau
yang yi » yang di, yang xi, yang jui
yi lu » yi wu, yi xu, li lu

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 lu ((ding john) OR (wong john)) ((wong lai) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yang yang yi lu ((ding john) OR (wong john)) ((wong lai) OR (wong siu)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yang yang yi lu ((ding john) OR (wong john)) ((wong lai) or (wong siu)) ;*".