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

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 (((\"materia nutrition\") OR (\"materna nutritivo\"))))) OR (((((\"materials nutricion\") OR (\"material nutricion\"))) OR (\"materiaes nutrition\"))))~".
• Removing quotes may allow a broader search: (((( maternal nutrition ) OR ((( materia nutrition ) OR ( materna nutritivo ))))) OR ((((( materials nutricion ) OR ( material nutricion ))) OR ( materiaes nutrition ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("maternal nutrition") OR ((("materia nutrition") OR ("materna nutritivo"))))) OR ((((("materials nutricion") OR ("material nutricion"))) OR ("materiaes nutrition"))))*.