Perhaps you should try some spelling variations:
chang hai » chang ha, shang hai, change has
wang yang » wang liang, wang yanling
yang yun » yang jun, tang yun, yang yang
yang yue » wang yue, yang jui, yang yi
yan yuan » yan guan, fang yuan, nan yan
tan yong » tan hong, tan kong, tan yang
yi chang » ii chang, ying chang, jin chang
yong yi » yang yi, wong yi, yong kim

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) OR (wang yan)) ((((yang yun) OR (yang yue))) OR (yan yuan)) tan yong yi chang hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yang) OR (wang yan)) ((((yang yun) OR (yang yue))) OR (yan yuan)) tan yong yi chang hai ;*.