Perhaps you should try some spelling variations:
wang fang » wang yang, weng fang, wang liang
fang yang » wang yang, yang yang, huang yang
chang won » chang soon, chang ann, chang min
yang jui » yang judy, yang di, yang xi
jui chen » yi chen
chan eng » chan fong, chan kang, chan ming
jeong su » jeong _, jeong mi, jeong 情

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang fang yang jui chen ((chang won) OR (chan eng)) jeong su ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang fang yang jui chen ((chang won) OR (chan eng)) jeong su ;*".