Perhaps you should try some spelling variations:
yihan guan » yan guan
yang guang » yang yang, yan guan, yang liang
hong cheng » hong sheng, ong cheng, zong cheng
gain hong » tan hong, tin hong, amin hong
hong hong » hong kong, hong jong, hong ng
cheng wan » cheng han, chong wan, cheng guan
run gain » run pain

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ((yihan guan) or (yang guang)) run gain hong hong cheng wan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yihan guan) OR (yang guang)) run gain hong hong cheng wan ;*.