Perhaps you should try some spelling variations:
reformen von » formen von, reform von, referaten von
david young » david loundy
xiang wei » liang wei, zhang wei, wang wei
von david » john david, ben david, jan david
young ghi » young choi, hong ghi, young get
wing yan » wang yan, wing ian, wing tan
liang li » ling li, liang wei, liang zhi
qiang li » qiang niu, ling li, qian yi

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: wing yan ((((liang li) OR (qiang li))) OR (xiang wei)) reformen von david young ghi ;~.
• Adding a wildcard symbol may retrieve word variants: wing yan ((((liang li) or (qiang li))) or (xiang wei)) reformen von david young ghi ;*.