Perhaps you should try some spelling variations:
vistae » vistas, viste, vistoe
vista » visto
variable » variables
vide » wide, vida, vive
video » wideo, vidao, viveo
viader » viadel
vitae » viae, vidae, vilae
vita » via, vida, vila
vital » vial, vidal, vilal

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

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