Perhaps you should try some spelling variations:
evidence network » science network, guidance network, dence network
systems report » system report, systems support, systems recent
health finance » health financing, health insurance
science work » science works, science world, science where
health side » health site, health inside, health some

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: (( health ((evidence network) OR (science work)) systems report ) OR ((( health finance ((network synthesis) OR (network systems)) report ) OR ( health side ((network synthesis) OR (network systems)) report )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( health ((evidence network) or (science work)) systems report ) or ((( health finance ((network synthesis) OR (network systems)) report ) or ( health side ((network synthesis) OR (network systems)) report ))))".
• Adding a wildcard symbol may retrieve word variants: (( health ((evidence network) or (science work)) systems report ) or ((( health finance ((network synthesis) OR (network systems)) report ) or ( health side ((network synthesis) OR (network systems)) report ))))*.