Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
1 reformen » 2 reformen, 4 reformen, 6 reformen
von david » john david, ben david
jan david » juan david, sahn david, alan david
wan yang » wang yang, dan yang, tan yang
hong ghi » zhong zhi, hong g, hong hai
liang 1 » liang _, liang li

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: wan yang liang 1 reformen ((von david) OR (jan david)) ((young choi) OR (hong ghi)) ;~.
• Adding a wildcard symbol may retrieve word variants: wan yang liang 1 reformen ((von david) or (jan david)) ((young choi) or (hong ghi)) ;*.