Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » science network, guidance network, dence network
sciences network » services network
systems support » system support, systems supporting, system supporting
finance network » financial network, distance network, guidance network
health finance » health financing, health insurance
health guide » health guido, health grid, health side
earth guide » search guide, bath guide, earth tide

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