Perhaps you should try some spelling variations:
"maternal nutrition" » "material nutrition", "materials nutrition", "internal nutrition", "maternal nutricion", "materiall nutrition"
"maternal nutritivo" » "material nutritivo", "materials nutritivo", "internal nutritivo", "materiall nutritivo"
"materiall nutritivo" » "material nutritivo", "materials nutritivo", "materiales nutritivo"
"materna nutritiva" » "material nutritiva"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("maternal nutrition") OR ((((("maternal nutritivo") OR ("materiall nutritivo"))) OR ((("materia nutritiva") OR ("materna nutritiva"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"maternal nutrition\") OR (((((\"maternal nutritivo\") OR (\"materiall nutritivo\"))) OR (((\"materia nutritiva\") OR (\"materna nutritiva\"))))))".
• Removing quotes may allow a broader search: (( maternal nutrition ) OR ((((( maternal nutritivo ) OR ( materiall nutritivo ))) OR ((( materia nutritiva ) OR ( materna nutritiva )))))).
• Adding a wildcard symbol may retrieve word variants: (("maternal nutrition") OR ((((("maternal nutritivo") OR ("materiall nutritivo"))) OR ((("materia nutritiva") OR ("materna nutritiva"))))))*.