Perhaps you should try some spelling variations:
network synthesis » network systems
evidence network » science network, dence network, incidence networks
guidance network » impedance network, guided network, science network
header sequence » leader sequence, leader sequences, decoder sequence
finance network » financial network, distance network, finance work
health science » health sciences
guide network » guided network, side network, wide network

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 evidence network synthesis report ) OR ( ((health science) OR (header sequence)) network synthesis report ))) OR ( health ((((guidance network) OR (finance network))) OR (guide network)) synthesis report )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( health evidence network synthesis report ) or ( ((health science) or (header sequence)) network synthesis report ))) or ( health ((((guidance network) OR (finance network))) or (guide network)) synthesis report ))".
• Adding a wildcard symbol may retrieve word variants: (((( health evidence network synthesis report ) or ( ((health science) or (header sequence)) network synthesis report ))) or ( health ((((guidance network) OR (finance network))) or (guide network)) synthesis report ))*.