Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
network synthesis » network systems
incident networks » incidence networks, incidents network, accident network
sciences network » services network
health impedance » health importance, health temperance, head impedance
health sciences » earth sciences
health incident » health including

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 sciences network synthesis report ) OR ( health incident networks synthesis report ))) OR ( health impedance network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((( health sciences network synthesis report ) or ( health incident networks synthesis report ))) or ( health impedance network synthesis report ))*.