Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
network synthesis » network systems
health guidance » health finance, health substance
health incident » health including
finance network » financial network, distance network, guidance network
health science » health sciences

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