Perhaps you should try some spelling variations:
health adherence » health reference, health adolescence, health references
health defence » health reference, health terrence, health device
"health dence network systems report" » "health dence network system report", "health dence network systems support", "health dence network systems recent", "health dense network systems report", "health defence network systems report", "health dense networks systems report", "health device network systems report", "health evidence network systems report", "health science network systems report"

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 defence) OR (health adherence)) network synthesis report") OR ("health dence network systems report")).
• Removing quotes may allow a broader search: (( ((health defence) OR (health adherence)) network synthesis report ) or ( health dence network systems report )).
• Adding a wildcard symbol may retrieve word variants: (("((health defence) OR (health adherence)) network synthesis report") or ("health dence network systems report"))*.