Perhaps you should try some spelling variations:
"connecting the aggregate health series" » "connecting the aggregate growth series", "connecting the aggregate debt series", "connecting the aggregate value series", "connecting the aggregate health services", "connecting the aggregate health service", "connecting the aggregate health surveys"
"connecting the aggregate data services" » "connecting the aggregate debt services", "connecting the disaggregated data services", "connecting the aggregate demand services", "connecting the aggregate care services", "connecting the aggregate air services"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("connecting the aggregate health series") or ("connecting the aggregate data services"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("connecting the aggregate health series") OR ("connecting the aggregate data services")).
• Removing quotes may allow a broader search: (( connecting the aggregate health series ) or ( connecting the aggregate data services )).
• Adding a wildcard symbol may retrieve word variants: (("connecting the aggregate health series") or ("connecting the aggregate data services"))*.