Perhaps you should try some spelling variations:
reformen von » formen von, reform von, referaten von
david young » david loundy
klang iii » klang die, zwang iii
xiang wei » liang wei, zhang wei, wang wei
von david » john david, ben david, jan david
young ghi » young choi, hong ghi, young get
wai yan » wang yan, wei yang

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: wai yan ((klang iii) OR (xiang wei)) reformen von david young ghi ;~.
• Adding a wildcard symbol may retrieve word variants: wai yan ((klang iii) or (xiang wei)) reformen von david young ghi ;*.