Perhaps you should try some spelling variations:
intuitive sources » intuitive gestures, cognitive sources, fugitive sources
mixed initiative » road initiative
mixed intuitive » mixed inductive, die intuitive, based intuitive
initiative app » initiative a, initiative ai, initiative als

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: (( mixed intuitive sources ) OR ( mixed initiative app )).
• Adding a wildcard symbol may retrieve word variants: (( mixed intuitive sources ) or ( mixed initiative app ))*.