Perhaps you should try some spelling variations:
reformen beim » reformen bei, reformen im, reformen teil
beim david » kim david
yang yang » wang yang, wang yan
klang der » klarung der, gang der
yan wang » yuan wang, qian wang, yan liang
yang der » gang der, yang dean, yang yera
david ng » david g, david n, david a
hadi » had

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) or (yang yang)) ((yang der) OR (klang der)) reformen beim david ng hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) ((yang der) OR (klang der)) reformen beim david ng hadi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (yang yang)) ((yang der) OR (klang der)) reformen beim david ng hadi ;*".