Perhaps you should try some spelling variations:
lang yang » yang yang, lang lang, ylang ylang
wang yang » wang yan, wang liang, wang yanling
yang john » young john, yang jin, yang jun
song sau » kong sar, song pae, song so
wong sau » wong sam, wong siu, wong shiu
yang li » yang lin, yang di, yang xi
li li » li lin, li l, li lu

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 yang) OR (wang yang)) yang li li ((yang john) OR (king john)) ((song sau) OR (wong sau)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yang) or (wang yang)) yang li li ((yang john) or (king john)) ((song sau) OR (wong sau)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((lang yang) or (wang yang)) yang li li ((yang john) or (king john)) ((song sau) OR (wong sau)) ;*.