Perhaps you should try some spelling variations:
bacteria medicinal » bacteria additional, america medicinal, bacteria medically
materiae medicae » materia medica, material media, regiae medicae
bacteria medical » bacteria medically, bacteria chemical, bacteria cervical

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((materiae medicae) OR (((bacteria medical) OR (bacteria medicinal)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((materiae medicae) or (((bacteria medical) OR (bacteria medicinal))))".
• Adding a wildcard symbol may retrieve word variants: ((materiae medicae) or (((bacteria medical) OR (bacteria medicinal))))*.