Perhaps you should try some spelling variations:
formen beim » reformen beim, formen im, forschen beim
iii formen » ii formen, die formen, iii form
beim david » kim david
david dang » david ian, david mant, david ng
yang yang » wang yang, wang yan
dang hadi » dang hai
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yan wang) or (yang yang)) yang iii formen beim david dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yan wang) OR (yang yang)) yang iii formen beim david dang hadi ;*.