Perhaps you should try some spelling variations:
"supply species interactions series." » "supply social interactions series.", "supply social interaction series.", "supply species interaction terms.", "supply species interactions between.", "supply agencies interactions series."
"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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support fiscal integration series.\") OR (\"supply species interactions series.\"))~".
• Removing quotes may allow a broader search: (( support fiscal integration series. ) OR ( supply species interactions series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support fiscal integration series.") OR ("supply species interactions series."))*.