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

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 sparc ))) OR ( motivational states )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( motivational speaker ) OR ( motivational sparc ))) or ( motivational states ))".
• Adding a wildcard symbol may retrieve word variants: (((( motivational speaker ) OR ( motivational sparc ))) or ( motivational states ))*.