Perhaps you should try some spelling variations:
impedance networld » impedance network, impedance networks, impededance network
networld synthesis » network synthesis, networks synthesis, method synthesis
health impedance » health importance, health temperance, head impedance
world synthesis » work synthesis, world hypothesis, sound synthesis
health science » health sciences
systems report » system report, systems support, systems recent
dence network » dense network, defence network, dense networks
health dence » health device, health evidence, health devices

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 science world synthesis report ) OR ( health dence network systems report ))) OR ( health impedance networld synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((( health science world synthesis report ) or ( health dence network systems report ))) or ( health impedance networld synthesis report ))*.