Perhaps you should try some spelling variations:
"median age" » "mediana age", "media age", "mediante age"
"medianteate age" » "medianateate age", "mediateate age", "medianteteate age"
"medianateate age" » "medianaateate age", "mediaateate age", "medianteateate age"
"medianteteate age" » "medianateteate age", "mediateteate age", "medianteteteate age"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("median age") OR ((((("medianteate age") OR ("medianateate age"))) OR ("medianteteate age"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"median age\") OR (((((\"medianteate age\") OR (\"medianateate age\"))) OR (\"medianteteate age\"))))".
• Removing quotes may allow a broader search: (( median age ) OR ((((( medianteate age ) OR ( medianateate age ))) OR ( medianteteate age )))).
• Adding a wildcard symbol may retrieve word variants: (("median age") OR ((((("medianteate age") OR ("medianateate age"))) OR ("medianteteate age"))))*.