Perhaps you should try some spelling variations:
variable » variables
evitable » evitables, inevitable, equitable, evistable, eviable, evilable
vitale » vitales, vitae, vistale, viale, vilale, vidale
eviable » viable, evitables, revisable
vita » vista, via, vila
vital » vistal, vial, vilal, vidal
vida » via
vistal » vista, vistas, nistal

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: ((variable OR ((evitable OR vitale) OR eviable)) OR (((vita OR vida) OR vital) OR vistal)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((variable or ((evitable or vitale) or eviable)) or (((vita OR vida) or vital) or vistal)).~".
• Adding a wildcard symbol may retrieve word variants: ((variable or ((evitable or vitale) or eviable)) or (((vita OR vida) or vital) or vistal)).*.