Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen teil
iii reformen » die reformen, iii formen, der reformen
david dang » david ian, david mant, david ng
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
yang iii » klang iii, yang zili, zwang iii

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: ((yan wang) OR (yang yang)) yang iii reformen beim ((david dang) OR (david a)) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) OR (yang yang)) yang iii reformen beim ((david dang) or (david a)) hai ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) OR (yang yang)) yang iii reformen beim ((david dang) or (david a)) hai ;*.