Perhaps you should try some spelling variations:
den reformen » der reformen, von reformen, die reformen
wei reformen » der reformen, iii reformen, weitere formen
yang liang » wang liang, yan liang, yang yang
von david » john david, ben david
jan david » juan david, sahn david, alan david
wan yang » wang yang, dan yang, tan yang
choi » chi, cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yang liang ((wei reformen) OR (den reformen)) ((von david) or (jan david)) young choi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yang liang ((wei reformen) OR (den reformen)) ((von david) OR (jan david)) young choi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yang liang ((wei reformen) OR (den reformen)) ((von david) or (jan david)) young choi ;*".