Perhaps you should try some spelling variations:
"maternal nutrition" » "material nutrition", "internal nutrition", "external nutrition", "maternal nutricion", "materiall nutrition"
"maternal nutritivo" » "material nutritivo", "internal nutritivo", "external nutritivo", "materiall nutritivo"
"materials nutritiva" » "materiales nutritiva", "material nutritiva"
"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 ((("materials nutritiva") OR ((("materna nutritiva") OR ("materia nutritiva"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"maternal nutrition\") OR (\"maternal nutritivo\"))) OR (((\"materials nutritiva\") OR (((\"materna nutritiva\") OR (\"materia nutritiva\"))))))".
• Removing quotes may allow a broader search: (((( maternal nutrition ) OR ( maternal nutritivo ))) OR ((( materials nutritiva ) OR ((( materna nutritiva ) OR ( materia nutritiva )))))).
• Adding a wildcard symbol may retrieve word variants: (((("maternal nutrition") OR ("maternal nutritivo"))) OR ((("materials nutritiva") OR ((("materna nutritiva") OR ("materia nutritiva"))))))*.