Perhaps you should try some spelling variations:
liang tang » leung tang, liang dan, liang ying
liang tan » liang dan, liang sun, wing tan
yuan kang » yuan wang, yuan chang, chan kang
kang yang » wang yang, yang yang, kang young
kong hang » kong heng, kong hong, kong land
zhang yan » zhang fan, zhang jian, wang yan
yang yi » yang di, yang xi, yang jui

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 ((liang tang) OR (liang tan)) yuan kang yang yi ((kong hang) OR (zhang yan)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((liang tang) OR (liang tan)) yuan kang yang yi ((kong hang) or (zhang yan)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((liang tang) OR (liang tan)) yuan kang yang yi ((kong hang) or (zhang yan)) ;*.