Try to make your search as simple as possible:
Gloxinia will find all items including that sequence of letters.
Search results for "Gloxinia":
"Gloxinia Empress Mix" - Sinningia f1 Empress Mixed pills
"Gloxinia maculata" - Gloxinia perennis
"Gloxinia maculata" - Gloxinia perennis f1 Empress Mixed pellets
"Gloxinia speciosa" - Sinningia speciosa