Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
network synthesis » network systems
disease incidence » diseases incident
evidence network » science network, guidance network, dence network
health incidence » death incidence, health incident, health science
health including » wealth including, health concluding, death including
health evidence » health science
health finance » health insurance

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