Perhaps you should try some spelling variations:
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
yang jie » yang jin, yang di, yang jui
song sau » wong sau, kong sar, song so
song pae » song ze
li yang » liu yang, li ying, li gang
li li » li lin, li l, 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) or (wang yang)) li li yang jie ((song sau) or (song pae)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang ((yang yang) OR (wang yang)) li li yang jie ((song sau) OR (song pae)) ;*.