Perhaps you should try some spelling variations:
"supply agencies interactions series." » "supply species interactions series.", "supply agencies interaction terms.", "supply agencies interactions between."
"support fiscal integration series." » "support financial integration series.", "support global integration series.", "support social integration series.", "support fiscal integration theories.", "support fiscal integrating services.", "support fiscal integration schemes.", "report fiscal integration series."

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: (("support fiscal integration series.") OR ("supply agencies interactions series."))~.
• Removing quotes may allow a broader search: (( support fiscal integration series. ) or ( supply agencies interactions series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support fiscal integration series.") or ("supply agencies interactions series."))*.