Perhaps you should try some spelling variations:
network synthesis » network systems
health incidence » health science, health evidence, path incidence
dengue incidence » age incidence
health incident » health including
death incidence » disease incidence, growth incidence
nets synthesis » net synthesis, dots synthesis, its synthesis
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 incident))) OR (((death incidence) OR (dengue incidence)))) nets 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 incident))) or (((death incidence) OR (dengue incidence)))) nets synthesis report ) or ( health guide network synthesis report ))".
• Adding a wildcard symbol may retrieve word variants: (( ((((health incidence) or (health incident))) or (((death incidence) OR (dengue incidence)))) nets synthesis report ) or ( health guide network synthesis report ))*.