Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang kong » hong kong, king kong, tan kong
der rhein » des rheins
der rein » der verein, der reinen, der reise
wong sam » wong sau, wong lai, kong sar
wong yue » wang yue, hong yu
tan li » tang li, tian li, gan 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 kong ((der rein) OR (der rhein)) tan li ((wong sam) or (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang kong ((der rein) OR (der rhein)) tan li ((wong sam) OR (wong yue)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang kong ((der rein) OR (der rhein)) tan li ((wong sam) or (wong yue)) ;*".