Perhaps you should try some spelling variations:
"a robert e. heimann book" » "gal robert e. heimann book", "a robert _. heimann book", "a robert j. heimann book", "a robert e. heinemann book", "a robert e. heimann books", "a robert e. heimann ebook"
"a robert e. hermann book" » "gal robert e. hermann book", "a robert _. hermann book", "a robert j. hermann book", "a robert e. hermann books", "a robert e. hermann ebook"
"a robust e. heilman book" » "_ robust e. heilman book", "a robust _. heilman book", "a robust e. heilman books", "a robust e. heilman ebook", "a robust e. heilmann book", "a robust e. hellman book", "a robust e. heitmann book"

Try widening your search to All Fields.

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 e. heimann book") OR ("a robert e. hermann book"))) or ("a robust e. heilman book"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("a robert e. heimann book") OR ("a robert e. hermann book"))) OR ("a robust e. heilman book")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"a robert e. heimann book\") OR (\"a robert e. hermann book\"))) or (\"a robust e. heilman book\"))".
• Removing quotes may allow a broader search: (((( a robert e. heimann book ) OR ( a robert e. hermann book ))) or ( a robust e. heilman book )).
• Adding a wildcard symbol may retrieve word variants: (((("a robert e. heimann book") OR ("a robert e. hermann book"))) or ("a robust e. heilman book"))*.