Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen teil
beim david » kim david
david mant » david ian, david ma, david malone
qian wang » yiqian wang, qian rong, qian yan
klang iii » klang die, zwang iii
yan wang » yuan wang, yang yang, yan liang
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) OR (qian wang)) ((yang iii) OR (klang iii)) reformen beim david mant (hai OR hadi) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) OR (qian wang)) ((yang iii) or (klang iii)) reformen beim david mant (hai or hadi) ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) OR (qian wang)) ((yang iii) or (klang iii)) reformen beim david mant (hai or hadi) ;*.