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