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