Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
substance network » distance network, substrate network, resistance network
network synthesis » network systems
health incidence » health evidence, path incidence, health insurance
health incident » health including
death incidence » growth incidence, dengue incidence
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 incidence) OR (health science))) OR (health incident))) OR (death incidence)) networks synthesis report ) OR ( health substance 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 (death incidence)) networks synthesis report ) or ( health substance network synthesis report ))".
• Adding a wildcard symbol may retrieve word variants: (( ((((((health incidence) OR (health science))) or (health incident))) or (death incidence)) networks synthesis report ) or ( health substance network synthesis report ))*.