Perhaps you should try some spelling variations:
private collections » private corporations
12 bibliography » 11 bibliography, 2 bibliography, 13 bibliography
1918 germany » 8 germany
co catalogs » _ catalogs, e catalogs, coins catalogs
20 private » 2 private, 10 private, 22 private
29 berlin » 2 berlin, 21 berlin, 99 berlin
1 german » 3 german, 5 german, 2 german

Try widening your search to All Fields.

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: %22humanities %12 bibliography %20 private collections %((1 german) OR (1918 germany)) %29 berlin %co catalogs%22.
• Adding a wildcard symbol may retrieve word variants: %22humanities %12 bibliography %20 private collections %((1 german) or (1918 germany)) %29 berlin %co catalogs%22*.