Perhaps you should try some spelling variations:
variable » variables
vitalle » vitale, vistalle, vidalle, vivalle, vialle
evitable » evitables, inevitable, equitable, evistable, evidable, evivable
vita » vista, vida, viva
vital » vistal, vidal, vival, vial
vila » villa, avila, vida
vilal » villal, avilal, vidal, vial, vilar

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((variable or (vitalle or evitable)) or ((((vita OR vila) or via) or (vital or vilal)) or visto)).~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((variable OR (vitalle OR evitable)) OR ((((vita OR vila) OR via) OR (vital OR vilal)) OR visto))..
• The words AND, OR and NOT may confuse the search; try adding quotes: "((variable or (vitalle or evitable)) or ((((vita OR vila) or via) or (vital or vilal)) or visto)).".
• Adding a wildcard symbol may retrieve word variants: ((variable or (vitalle or evitable)) or ((((vita OR vila) or via) or (vital or vilal)) or visto)).*.