Perhaps you should try some spelling variations:
wang liang » wang yang
hyoung hui » hyoung gun
wang wang » wang yang, wang yan, wang yong
liang tan » liang dan, liang sun, wing tan
song ming » song bing, song min, jong min
gong min » jong min, song min, gong meng
tan yan » tan yang, nan yan, tan tan

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: wang wang liang tan yan ((gong min) OR (song ming)) hyoung hui ;~.
• Adding a wildcard symbol may retrieve word variants: wang wang liang tan yan ((gong min) or (song ming)) hyoung hui ;*.