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

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

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