Perhaps you should try some spelling variations:
wang yidan » wang yan
yang cindy » yang mind
yidan yan » qian yan
sang minh » kang minah, anh minh, song min
yang jie » yang jin, yang jui, yang xi
jeong mi » jeong _, jeong su, jeong 情
a chen » ta chen, _ chen, n chen
yan a » can a, yan _, jan a

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yidan yan a chen ((((sang minh) or (yang cindy))) or (((yang jie) OR (yang di)))) jeong mi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yidan yan a chen ((((sang minh) OR (yang cindy))) OR (((yang jie) OR (yang di)))) jeong mi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yidan yan a chen ((((sang minh) or (yang cindy))) or (((yang jie) OR (yang di)))) jeong mi ;*".