Perhaps you should try some spelling variations:
"monotypic taxon" » "monotypic talon", "monotypic saxon", "monotypic faxon", "monotypic tsaxon", "monotypic tfaxon", "monotypic taon"
"genotypic taxon" » "genotypic talon", "genotypic saxon", "genotypic faxon", "genotipico taxon", "genotyping taxon", "phenotypic taxon", "genotypic tsaxon", "genotypic tfaxon", "genotypic taon"
"genotypic axon" » "genotipico axon", "genotyping axon", "phenotypic axon", "genotypic saxon", "genotypic faxon", "genotypic aon"

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

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