Perhaps you should try some spelling variations:
"contemporary tourism median poverty series." » "contemporary tourism median poverty severity.", "contemporary tourism media poverty series."
"contemporary south indian power series." » "contemporary south india power series.", "contemporary south asian power series.", "contemporary south sudan power series.", "contemporary south india's power series.", "contemporary south indian paper series.", "contemporary south indian power sources.", "contemporary south indian power prices."

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: (("contemporary tourism median poverty series.") OR ("contemporary south indian power series."))~.
• Removing quotes may allow a broader search: (( contemporary tourism median poverty series. ) or ( contemporary south indian power series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("contemporary tourism median poverty series.") or ("contemporary south indian power series."))*.