Perhaps you should try some spelling variations:
"monotypic axon" » "monotypic faxon", "monotypic taxon", "monotypic aon"
"monotypic saxon" » "monotypic sfaxon", "monotypic staxon", "monotypic saon", "monotypic salon", "monotypic saxo"
"genotypic saxon" » "genotypic sfaxon", "genotypic staxon", "genotypic saon", "genotypic salon", "genotypic saxo", "genotipico saxon", "genotyping saxon", "phenotypic saxon"
"monotypic saon" » "monotypic salon", "monotypic sajon", "monotypic sapon"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("monotypic axon") OR ((((("monotypic saxon") OR ("monotypic saon"))) OR ("genotypic saxon"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"monotypic axon\") OR (((((\"monotypic saxon\") OR (\"monotypic saon\"))) OR (\"genotypic saxon\"))))*".
• Removing quotes may allow a broader search: (( monotypic axon ) OR ((((( monotypic saxon ) OR ( monotypic saon ))) OR ( genotypic saxon ))))*.