Perhaps you should try some spelling variations:
22structural adjustment » structural adjustments, structure adjustment, structural adjustmenton
28economic policy » economic policy, economics policy, economy policy
2f developing » f developing, 8 developing, 70 developing

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: %((22structural adjustment) OR (structural adjustment)) %28economic policy%29 %((2f developing) OR (6 developing)) countries%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22structural adjustment) or (structural adjustment)) %28economic policy%29 %((2f developing) OR (6 developing)) countries%22".
• Adding a wildcard symbol may retrieve word variants: %((22structural adjustment) or (structural adjustment)) %28economic policy%29 %((2f developing) OR (6 developing)) countries%22*.