Perhaps you should try some spelling variations:
"a robert j. heimann book" » "a robert j. german book", "dr robert j. heimann book", "a robust j. heimann book", "a robert e. heimann book"
"a robot j. heimann book" » "a robot j. german book", "_ robot j. heimann book", "a robust j. heimann book", "a robot _. heimann book", "a robot 1. heimann book", "a robot 5. heimann book"
"3 robert _. hermann book" » "3 robert _. german book", "3 robert _. hermann broch", "3 robert _. hermann lohr", "dr robert _. hermann book"

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 ("a robot j. heimann book"))) or ("3 robert _. hermann book"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("a robert j. heimann book") OR ("a robot j. heimann book"))) OR ("3 robert _. hermann book"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"a robert j. heimann book\") OR (\"a robot j. heimann book\"))) or (\"3 robert _. hermann book\"))*".
• Removing quotes may allow a broader search: (((( a robert j. heimann book ) OR ( a robot j. heimann book ))) or ( 3 robert _. hermann book ))*.