Perhaps you should try some spelling variations:
networks synthesis » network synthesis, networks systems, nets synthesis
dense networks » dense network, gene networks
systems report » system report, systems support, systems recent
dence network » dense network, defence network, device network
health dense » healthy sense, health disease, health device
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 dense networks synthesis report ) OR ( health dence network systems report )).
• Adding a wildcard symbol may retrieve word variants: (( Health dense networks synthesis report ) or ( health dence network systems report ))*.