Perhaps you should try some spelling variations:
wang frei » wang fei, wang wei, wang lei
shang hai » shang kai, dang hai, hong hai
qian yan » qian jun, qian yi
yan wang » yuan wang, yang yang, qian wang
ying jin » yang jin, jing ji, yang jie
yang jui » yang judy, yang di, yang xi
chang ha » chang mae

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: qian yan wang frei chen ((ying jin) OR (yang jui)) ((shang hai) OR (chang ha)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan wang frei chen ((ying jin) or (yang jui)) ((shang hai) OR (chang ha)) ;~".
• Adding a wildcard symbol may retrieve word variants: qian yan wang frei chen ((ying jin) or (yang jui)) ((shang hai) OR (chang ha)) ;*.