Perhaps you should try some spelling variations:
"genotypic axon" » "genotipico axon", "genotyping axon", "phenotypic axon", "genotypic faxon", "genotypic aon", "genotypic aron"
"genotypic taxon" » "genotipico taxon", "genotyping taxon", "phenotypic taxon", "genotypic tfaxon", "genotypic taon", "genotypic taron", "genotypic talon", "genotypic faxon", "genotypic taxol"
"monotypic saxon" » "monotypic sfaxon", "monotypic saon", "monotypic saron", "monotypic salon", "monotypic saxo"
"monotypic sapon" » "monotypic japon", "monotypic salon", "monotypic sajon"

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

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