Perhaps you should try some spelling variations:
"median age" » "mediana age", "media age", "mediante age"
"medianate age" » "medianaate age", "mediaate age", "medianteate age", "mediante age", "mediana age"
"mediantete age" » "medianatete age", "mediatete age", "mediantetete age", "mediante age"
"medianaatete age" » "medianaaatete age", "mediaaatete age", "medianteaatete 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 (\"medianate age\"))) OR (((\"mediantete age\") OR (\"medianaatete age\"))))~".
• Removing quotes may allow a broader search: (((( median age ) OR ( medianate age ))) OR ((( mediantete age ) OR ( medianaatete age ))))~.
• Adding a wildcard symbol may retrieve word variants: (((("median age") OR ("medianate age"))) OR ((("mediantete age") OR ("medianaatete age"))))*.