Perhaps you should try some spelling variations:
"genotypic taxon" » "genotipico taxon", "genotyping taxon", "phenotypic taxon", "genotypic talon", "genotypic saxon", "genotypic faxon", "genotypic tsaxon", "genotypic tfaxon", "genotypic taron"
"genotypic axon" » "genotipico axon", "genotyping axon", "phenotypic axon", "genotypic saxon", "genotypic faxon", "genotypic aron"
"genotypic aon" » "genotipico aon", "genotyping aon", "phenotypic aon"
"monotypic saxo" » "monotypic sao", "monotypic sexo", "monotypic sano"

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

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