Perhaps you should try some spelling variations:
der rhein » der rein, des rheins
wang nan » wang yan, wang ban, wang dan
nan kong » tan kong
kong der » konig der, kong sar, kong lee
wang lin » wang qin, yang lin, wang limin
wong sam » wong sau, wong lai, kong sar
wong yue » wang yue, hong yu
wang li » wang lei, tang li, wang di

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 nan kong der rhein ((wang li) OR (wang lin)) ((wong sam) OR (wong yue)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang nan kong der rhein ((wang li) OR (wang lin)) ((wong sam) or (wong yue)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang nan kong der rhein ((wang li) OR (wang lin)) ((wong sam) or (wong yue)) ;*.