Perhaps you should try some spelling variations:
identification experiment » identification measurement, identification assessment, identification treatment
revitalization movement » globalization movement
three identification » threat identification, thrice identification, free identification
rural revitalization » _ revitalization
first rural » first neural, first real, first renal

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: (( first three identification experiment ) OR ( first rural revitalization movement )).
• Adding a wildcard symbol may retrieve word variants: (( first three identification experiment ) or ( first rural revitalization movement ))*.