Perhaps you should try some spelling variations:
wang yuhan » wang luhang, wang yan, wang yidan
yuhan fang » yuhuan huang
di3 china » did china, 13 china, 2.3 china
zhang tan » zhang tian, zhang fan, zhang yan
wong shiu » wong siu, cong shu, song shin
di china » did china, ii china, d china
tan wong » tan hong, tan kong, tan yong
3 china » 2 china, 4 china, 3 china's

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: wang yuhan fang ((((di china) OR (3 china))) OR (di3 china)) zhang tan wong shiu ;~.
• Adding a wildcard symbol may retrieve word variants: wang yuhan fang ((((di china) or (3 china))) or (di3 china)) zhang tan wong shiu ;*.