Perhaps you should try some spelling variations:
"motivational speaker" » "motivational speakers", "motivational scale", "motivational state"
"motivational states" » "motivational systems", "motivation state", "motivational bases"
"motivational system" » "motivational systems", "motivation 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") OR ("motivational system")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"motivational speaker\") or (\"motivational sparc\"))) or (((\"motivational states\") OR (\"motivational system\"))))".
• Removing quotes may allow a broader search: (((( motivational speaker ) or ( motivational sparc ))) or ((( motivational states ) OR ( motivational system )))).
• Adding a wildcard symbol may retrieve word variants: (((("motivational speaker") or ("motivational sparc"))) or ((("motivational states") OR ("motivational system"))))*.