Perhaps you should try some spelling variations:
network synthesis » network systems
substance network » distance network, substrate network, resistance network
sequence network » sequence networks, science network, sequential network
health sequence » health sequelae, heart sequence, health consequence
dence network » dense network, defence network, dense networks
health dence » health device, health evidence, health science

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 dence network synthesis report ) OR ( health sequence network synthesis report ))) OR ( health substance network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((( health dence network synthesis report ) or ( health sequence network synthesis report ))) or ( health substance network synthesis report ))*.