Perhaps you should try some spelling variations:
"median age" » "media age", "mediante age"
"mediana age" » "mediaa age", "mediantea age", "medina age", "mediante age", "medicina age"
"medianatea age" » "mediaatea age", "medianteatea age", "medinatea age", "mediantetea age", "medicinatea age", "mediante age"
"medianaatea age" » "mediaaatea age", "medianteaatea age", "medinaatea age", "medianteatea age", "medicinaatea age"

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: "((((\"median age\") OR (\"mediana age\"))) OR (((\"medianatea age\") OR (\"medianaatea age\"))))~".
• Removing quotes may allow a broader search: (((( median age ) OR ( mediana age ))) OR ((( medianatea age ) OR ( medianaatea age ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("median age") OR ("mediana age"))) OR ((("medianatea age") OR ("medianaatea age"))))*.