Perhaps you should try some spelling variations:
exporting urged » exporters urged
imports series » importers series, report series, sport series
reports series » report series, reprints series
oil exporting » oil exporters, oil exports
trade country » grade country, dade country, france country
trade oil » crude oil, trade off, trade out

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( trade oil exporting urged ) or ( trade country ((imports series) OR (reports series)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trade oil exporting urged ) OR ( trade country ((imports series) OR (reports series)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( trade oil exporting urged ) or ( trade country ((imports series) OR (reports series)) ))".
• Adding a wildcard symbol may retrieve word variants: (( trade oil exporting urged ) or ( trade country ((imports series) OR (reports series)) ))*.