Perhaps you should try some spelling variations:
young john » kong john, wong john, young jean
wang yang » wang yan, wang liang, wang yanling
yang guan » yang guang, yan guan, yang dean
yang john » king john, yang jin, yang jun
vu irene » _ irene
wong sam » wong sau, wong lai, von sam
guan vu » tuan vu, guang eu
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang guan vu irene ((yang john) OR (young john)) ((wong sam) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang guan vu irene ((yang john) OR (young john)) ((wong sam) OR (kong sar)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang guan vu irene ((yang john) OR (young john)) ((wong sam) or (kong sar)) ;*".