Perhaps you should try some spelling variations:
wang luhang » wang liang, wang lihong, wang yuhan
luhang ping » zhang ping
gang yang » wang yang, yang yang, huang yang
seok hong » sek hong, seok jeong
kim song » kim young, kim eung
ping yu » ming yu, ping ku, ping yi
yu gang » xu gang, yi gang, yu fang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang luhang ping yu gang yang ((seok hong) or (kim song)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang luhang ping yu gang yang ((seok hong) OR (kim song)) hai ;*.