Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen teil
david mant » david ma, david malone, david martin
klang iii » klang die, zwang iii
david ian » david a, david n
yan wang » yuan wang, yang yang, qian wang
yang iii » yang zili, zwang iii, yang di

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