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

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 sector") OR ((("economic sections") OR ("economic sanctions")))).
• Removing quotes may allow a broader search: (( economic sector ) or ((( economic sections ) or ( economic sanctions )))).
• Adding a wildcard symbol may retrieve word variants: (("economic sector") or ((("economic sections") or ("economic sanctions"))))*.