Perhaps you should try some spelling variations:
"monotypic tsaxon" » "monotypic saxon", "monotypic tssaxon", "monotypic tsaon", "monotypic tsaron"
"genotypic taxon" » "genotipico taxon", "genotyping taxon", "phenotypic taxon", "genotypic talon", "genotypic saxon", "genotypic taxol", "genotypic tsaxon", "genotypic taon", "genotypic taron"
"genotypic faxon" » "genotipico faxon", "genotyping faxon", "phenotypic faxon", "genotypic saxon", "genotypic fanon", "genotypic fsaxon", "genotypic faon", "genotypic faron"
"genotypic axon" » "genotipico axon", "genotyping axon", "phenotypic axon", "genotypic saxon", "genotypic aon", "genotypic aron"

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

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