Perhaps you should try some spelling variations:
"a robert j. heimann book" » "a robert j. german book", "3 robert j. heimann book", "dr robert j. heimann book", "a robot j. heimann book", "a robert _. heimann book"
"a robust j. heimann book" » "a robust j. german book", "_ robust j. heimann book", "a robust _. heimann book", "a robust a. heimann book", "a robust job. heimann book"
"a robert e. hermann book" » "a robert e. german book", "a robert e. hermann broch", "a robert e. hermann lohr", "3 robert e. hermann book", "dr robert e. hermann book", "a robot e. hermann book", "a robert _. hermann 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. hermann book") or ((("a robert j. heimann book") OR ("a robust j. heimann book"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("a robert e. hermann book") OR ((("a robert j. heimann book") OR ("a robust j. heimann book")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"a robert e. hermann book\") or (((\"a robert j. heimann book\") OR (\"a robust j. heimann book\"))))".
• Removing quotes may allow a broader search: (( a robert e. hermann book ) or ((( a robert j. heimann book ) OR ( a robust j. heimann book )))).
• Adding a wildcard symbol may retrieve word variants: (("a robert e. hermann book") or ((("a robert j. heimann book") OR ("a robust j. heimann book"))))*.