Perhaps you should try some spelling variations:
network synthesis » network systems
guidance network » guide network, finance network, impedance network
health guidance » health evidence, health finance, health substance
health science » health sciences
walk synthesis » wall synthesis, work synthesis, wall biosynthesis
science walk » sciences wals, science talks, science work
science mask » science mark, science mhs, science mary

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