Perhaps you should try some spelling variations:
papier david » parker david, carrier david, hauner david
yang juden » yang junsen, yang judy, yang jun
zhang yan » zhang fan, zhang jian, wang yan
im papier » die papier, ein papier, a papier
young cho » young choi, young hr
lang yan » wang yan, wang yang, yang yang
juden im » juden _
hong hai » shang hai, zhong tai, dang hai

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: ((lang yan) OR (zhang yan)) yang juden im papier david ((hong hai) OR (young cho)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang yan) OR (zhang yan)) yang juden im papier david ((hong hai) or (young cho)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((lang yan) OR (zhang yan)) yang juden im papier david ((hong hai) or (young cho)) ;*.