Perhaps you should try some spelling variations:
technical activities » technical capabilities, biochemical activities, physical activities
22fiscal activities » musical activities, final activities, official activities
medical activities » physical activities, critical activities, social activities
fiscal activities » musical activities, vital activities, financial 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: %((((22fiscal activities) OR (fiscal activities))) OR (((medical activities) OR (technical activities))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((22fiscal activities) or (fiscal activities))) or (((medical activities) OR (technical activities))))%22".
• Adding a wildcard symbol may retrieve word variants: %((((22fiscal activities) or (fiscal activities))) or (((medical activities) OR (technical activities))))%22*.