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