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