Perhaps you should try some spelling variations:
22structural adjustment » structural adjustments, structure adjustment, structural adjustmenton
economics policy » economics policies, economics political, economics project
2f developing » f developing, self developing, turf developing
20 developing » 10 developing, 20 development

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)) %((((economics policy) OR (economics public))) OR (economic policy))%29 %((2f developing) OR (20 developing)) countries%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22structural adjustment) or (structural adjustment)) %((((economics policy) OR (economics public))) or (economic policy))%29 %((2f developing) or (20 developing)) countries%22".
• Adding a wildcard symbol may retrieve word variants: %((22structural adjustment) or (structural adjustment)) %((((economics policy) OR (economics public))) or (economic policy))%29 %((2f developing) or (20 developing)) countries%22*.