Perhaps you should try some spelling variations:
david young » david loundy
wei formen » zwei formen, drei formen, der formen
von david » john david, ben david, jan david
wei yang » pei yang, wei wang, wei yang's
wang wei » zhang wei, wang zhi
wan yan » wang yan, nan yan, wai yan
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 yan) or (wei yang)) wang wei formen von david young choi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan yan) OR (wei yang)) wang wei formen von david young choi ;*.