Perhaps you should try some spelling variations:
financial activities » financing activities, financial liabilities, financial securities
microbial activities » microbial activity, antimicrobial activities
musical activities » physical activities, fiscal activities, critical activities
medical activities » technical activities, physical activities, critical 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: %((((((financial activities) OR (microbial activities))) OR (musical activities))) OR (medical activities))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((((financial activities) OR (microbial activities))) or (musical activities))) or (medical activities))%22".
• Adding a wildcard symbol may retrieve word variants: %((((((financial activities) OR (microbial activities))) or (musical activities))) or (medical activities))%22*.