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

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

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