Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
yang yang » wang yang
wang wang » wang yang, wang liang, wang yong
chang hai » chang ha, shang hai, change has
yan judy » yang judy, chan judy
tan yong » tan hong, tan kong, tan yang
fan ying » fan xing, ran ying, tan ying

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang yan judy ((((tan yong) or (fan ying))) or (yang yang)) china chang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yan judy ((((tan yong) OR (fan ying))) OR (yang yang)) china chang hai ;.
• Adding a wildcard symbol may retrieve word variants: wang wang yan judy ((((tan yong) or (fan ying))) or (yang yang)) china chang hai ;*.