Perhaps you should try some spelling variations:
produc » produce, products, produced
product » producet, productst, producedt, products
producttive » producettive, productsttive, producedttive, productstive, productive, produttive, produktive
produttivo » productivo, produtivo, produttive
produttrice » productrice, productrices, produttive

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((produc OR product) OR produttivo) OR produttrice) OR producttive).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((produc OR product) or produttivo) or produttrice) or producttive)".
• Adding a wildcard symbol may retrieve word variants: ((((produc OR product) or produttivo) or produttrice) or producttive)*.