Perhaps you should try some spelling variations:
chen wang » chen yang, chen ping
can seize » can see, can serve
chen rong » chen yang
gan guan » yan guan, quan guan, fan guon
guan yan » sun yan, qian yan, guo yan
yang zhi » yan zhi, liang zhi, yang chik
van een » van den, van beek

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: gan guan yan ((van een) OR (can seize)) ((chen wang) OR (chen rong)) ((yang zhi) OR (wang zhi)) ;~.
• Adding a wildcard symbol may retrieve word variants: gan guan yan ((van een) or (can seize)) ((chen wang) or (chen rong)) ((yang zhi) or (wang zhi)) ;*.