Perhaps you should try some spelling variations:
hermann books » german books, hermann brochs, demand books
hermann broch » hermann brochs
gal robert » hall robert
a robert » 3 robert, dr robert, a robust
robert j » robert _, robert e
robert a » robert _, robert e
books » ebooks
book » ebook

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( a robert j. ((hermann books) OR (hermann broch)) ) or ( gal robert a. heinemann book ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( a robert j. ((hermann books) OR (hermann broch)) ) OR ( gal robert a. heinemann book )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( a robert j. ((hermann books) OR (hermann broch)) ) or ( gal robert a. heinemann book ))".
• Adding a wildcard symbol may retrieve word variants: (( a robert j. ((hermann books) OR (hermann broch)) ) or ( gal robert a. heinemann book ))*.