Perhaps you should try some spelling variations:
"health substance network synthesis report" » "health substrate network synthesis report", "health resistance network synthesis report", "health distance networks synthesis report", "health substance network systems report"
"health distance network synthesis report" » "health distance network systems report", "health distance networks synthesis report", "health resistance network synthesis report", "health disease network synthesis report", "healthy distance network synthesis report", "earth distance network synthesis report", "health assistance network synthesis report"
health guidance » health evidence, health finance

Try widening your search to All Fields.

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 substance network synthesis report") OR ("health distance network synthesis report"))) OR ("((health guidance) or (health insurance)) network synthesis report")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"health substance network synthesis report\") OR (\"health distance network synthesis report\"))) or (\"((health guidance) or (health insurance)) network synthesis report\"))".
• Removing quotes may allow a broader search: (((( health substance network synthesis report ) OR ( health distance network synthesis report ))) or ( ((health guidance) or (health insurance)) network synthesis report )).
• Adding a wildcard symbol may retrieve word variants: (((("health substance network synthesis report") OR ("health distance network synthesis report"))) or ("((health guidance) or (health insurance)) network synthesis report"))*.