Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
wang wang » wang yang, wang liang, wang yan
yuhan hua » tuan hua, yuan hui, yuhuan huang
hua irene » hua ren
john wong » john song, john bonn
jin song » john song, kim song, jin ying
jie song » jae song, kim song, li song

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang yuhan hua irene yang ((john wong) or (((jin song) OR (jie song)))) sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yuhan hua irene yang ((john wong) OR (((jin song) OR (jie song)))) sam ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang yuhan hua irene yang ((john wong) or (((jin song) OR (jie song)))) sam ;".
• Adding a wildcard symbol may retrieve word variants: wang wang yuhan hua irene yang ((john wong) or (((jin song) OR (jie song)))) sam ;*.