Perhaps you should try some spelling variations:
network synthesis » network systems
world synthesis » work synthesis, world hypothesis, sound synthesis
health science » health sciences
guide network » guided network, side network, wide network
earth guide » health guide, search guide, bath guide

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 ( earth guide network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (( health science world synthesis report ) or ( earth guide network synthesis report ))*.