Perhaps you should try some spelling variations:
22vital activities » digital activities, viral activities, capital activities
medical activities » technical activities, physical activities, critical activities
vital activities » vitro activities, digital activities, fiscal activities

Try widening your search to All Fields.

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: %((((22vital activities) OR (vital activities))) OR (medical activities))%22.
• Adding a wildcard symbol may retrieve word variants: %((((22vital activities) or (vital activities))) or (medical activities))%22*.