Perhaps you should try some spelling variations:
"motivational speaker" » "motivational speakers", "motivational sparc", "motivational state"
"motivational states" » "motivational systems", "motivation state", "motivational system"
"motivational scale" » "motivation scale", "motivational case", "motivational state"

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: (((("motivational speaker") OR ("motivational scale"))) OR ("motivational states")).
• Removing quotes may allow a broader search: (((( motivational speaker ) or ( motivational scale ))) or ( motivational states )).
• Adding a wildcard symbol may retrieve word variants: (((("motivational speaker") or ("motivational scale"))) or ("motivational states"))*.