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

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