Perhaps you should try some spelling variations:
rhein gang » ein gang
wang yang » wang yan, wang liang
der rhein » der rein, des rheins
kong der » konig der, kong sar, kong lee
wong sam » wong sau, wong lai, kong sar
wong yue » wang yue, hong yu
gang li » gan li, tang li, wang li

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yang) OR (wang yanling)) kong der rhein gang li ((wong sam) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yang) OR (wang yanling)) kong der rhein gang li ((wong sam) OR (wong yue)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yang) OR (wang yanling)) kong der rhein gang li ((wong sam) or (wong yue)) ;*".