Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
network synthesis » network systems
health incidence » death incidence, health evidence, path incidence
dengue incidence » age incidence
health incident » health including
health science » health sciences
guide network » guided network, side network, wide network
health guide » health guido, earth guide, health grid

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