Perhaps you should try some spelling variations:
"economic sanctions" » "economic conditions", "economic relations"
"economic sections" » "economic section", "economic reactions", "economics section"
"economic sectors" » "economic sector"

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: (("economic sectors") OR ((("economic sections") OR ("economic sanctions")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"economic sectors\") or (((\"economic sections\") OR (\"economic sanctions\"))))".
• Removing quotes may allow a broader search: (( economic sectors ) or ((( economic sections ) OR ( economic sanctions )))).
• Adding a wildcard symbol may retrieve word variants: (("economic sectors") or ((("economic sections") OR ("economic sanctions"))))*.