Perhaps you should try some spelling variations:
hermann books » german books, hermann brochs, demand books
hermann broch » hermann brochs
gail robert » hall robert, ball robert, dahl robert
gal robert » hall robert
robert b » robert e, robert j, robert a
book » ebook
books » ebooks

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

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