Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
joon chang » hoong chang, boon chong, jin chang
wang hong » wang yong, wang hyoung, wang lihong
hong wang » hong gang, hong kong, hong jong
ying joon » kyung joon, king john, ying jin
chang hay » chang ha, change has, chang mae
yan guan » gan guan, yan yuan, yihan guan
yan fan » yang fan, yan clan, yan wang

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 hong wang ((yan fan) OR (((yan guan) OR (yang guang)))) ying joon chang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hong wang ((yan fan) or (((yan guan) OR (yang guang)))) ying joon chang hay ;~".
• Adding a wildcard symbol may retrieve word variants: wang hong wang ((yan fan) or (((yan guan) OR (yang guang)))) ying joon chang hay ;*.