Perhaps you should try some spelling variations:
referaten von » referat von, referat vom
reformen von » formen von, reform von, reformen der
david young » david loundy
yan liang » yang liang, wang liang, you liang
liang iii » klang iii, liang li, liang wei
young ghi » young choi, hong ghi, young get
wan yan » wang yan, nan yan, wai yan

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan liang iii ((referaten von) OR (reformen von)) david young ghi ;~".
• Adding a wildcard symbol may retrieve word variants: wan yan liang iii ((referaten von) OR (reformen von)) david young ghi ;*.