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"
"monotypic sfaxon" » "monotypic sffaxon", "monotypic sftaxon", "monotypic sfaon", "monotypic faxon"
"genotypic axon" » "genotypic faxon", "genotypic taxon", "genotypic aon", "genotipico axon", "genotyping axon", "phenotypic axon"

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 sfaxon"))))) OR ("genotypic axon"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"monotypic axon\") OR (((\"monotypic saxon\") OR (\"monotypic sfaxon\"))))) OR (\"genotypic axon\"))".
• Removing quotes may allow a broader search: (((( monotypic axon ) OR ((( monotypic saxon ) OR ( monotypic sfaxon ))))) OR ( genotypic axon )).
• Adding a wildcard symbol may retrieve word variants: (((("monotypic axon") OR ((("monotypic saxon") OR ("monotypic sfaxon"))))) OR ("genotypic axon"))*.