Perhaps you should try some spelling variations:
networks synthesis » network synthesis, networks systems, nets synthesis
guided networks » guided network, guide network, aided networks
science tables » science cable, incidence tables, science enablers
science talks » science tasks, science take, science walk
health guided » health guide, hath guided, health guido

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 talks) OR (science tables)) synthesis report ) OR ( health guided networks synthesis report )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( health ((science talks) OR (science tables)) synthesis report ) or ( health guided networks synthesis report ))".
• Adding a wildcard symbol may retrieve word variants: (( health ((science talks) OR (science tables)) synthesis report ) or ( health guided networks synthesis report ))*.