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"
"medianaaate age" » "medianaaaate age", "mediaaaate age", "medianteaaate age"
"medianteteate age" » "medianateteate age", "mediateteate age", "medianteteteate 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 (\"medianaaate age\"))) OR (\"medianteteate age\"))))~".
• Removing quotes may allow a broader search: (( median age ) OR ((((( medianate age ) OR ( medianaaate age ))) OR ( medianteteate age ))))~.
• Adding a wildcard symbol may retrieve word variants: (("median age") OR ((((("medianate age") OR ("medianaaate age"))) OR ("medianteteate age"))))*.