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

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