Perhaps you should try some spelling variations:
reformen bei » reformen beim, reformen teil, reformen der
der reformen » der reform
zhang der » zwang der, anhang der, zugang der
bei david » beni davide, levi david, de david
qian yi » qian yan
david n » david a, david _, david k
wang » wing, wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((wang or lang) yan) or (qian yi)) zhang der reformen bei david n w ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((wang OR lang) yan) OR (qian yi)) zhang der reformen bei david n w ;*.