Perhaps you should try some spelling variations:
networks synthesis » networks systems, nets synthesis
network synthesis » network systems
world synthesis » work synthesis, world hypothesis, sound synthesis
health science » health sciences
guide networks » guided networks, guided network, grade networks
guide network » guided network, side network, wide network
search guide » search guided, research guide, search 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 science world synthesis report ) OR ((( search guide network synthesis report ) OR ( search guide networks synthesis report )))).
• Adding a wildcard symbol may retrieve word variants: (( health science world synthesis report ) or ((( search guide network synthesis report ) or ( search guide networks synthesis report ))))*.