Perhaps you should try some spelling variations:
variable » variables
vitalle » vitale, vitallle, vialle, vilalle
evitable » evitables, inevitable, equitable, evitalble, eviable, evilable
vita » vital, via, vila
vida » via
vidal » vial
vilal » vila, vital, vilar
vial » via
vista » visto

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 vida) or (vidal or (vilal or vial))) or vista)).~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((variable OR (vitalle OR evitable)) OR (((vita OR vida) OR (vidal OR (vilal OR vial))) OR vista))..
• The words AND, OR and NOT may confuse the search; try adding quotes: "((variable or (vitalle or evitable)) or (((vita OR vida) or (vidal or (vilal or vial))) or vista)).".
• Adding a wildcard symbol may retrieve word variants: ((variable or (vitalle or evitable)) or (((vita OR vida) or (vidal or (vilal or vial))) or vista)).*.