Perhaps you should try some spelling variations:
"monotypic faxon" » "monotypic saxon", "monotypic fanon", "monotypic axon"
"genotypic faxon" » "genotypic saxon", "genotypic fanon", "genotypic axon", "genotipico faxon", "genotyping faxon", "phenotypic faxon"
"monotypic taxon" » "monotypic talon", "monotypic saxon", "monotypic axon"
"monotypic staxon" » "monotypic stalon", "monotypic ssaxon", "monotypic saxon"

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

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