Perhaps you should try some spelling variations:
asia environmentally » _ environmentally, sea environmental, aqaba environmental
development series » development services, development agencies, development africa
sustainable future » sustainable use, sustainable water
future development » software development
a technical » _ technical, 2 technical

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( world ((bank technical) OR (a technical)) paper. europe and central asia environmentally and socially sustainable resource development series. ) or ( world ((bank technical) OR (a technical)) paper. europe and central asia environmentally and socially sustainable future development series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( world ((bank technical) OR (a technical)) paper. europe AND central asia environmentally AND socially sustainable resource development series. ) OR ( world ((bank technical) OR (a technical)) paper. europe AND central asia environmentally AND socially sustainable future development series. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( world ((bank technical) OR (a technical)) paper. europe and central asia environmentally and socially sustainable resource development series. ) or ( world ((bank technical) OR (a technical)) paper. europe and central asia environmentally and socially sustainable future development series. ))".
• Adding a wildcard symbol may retrieve word variants: (( world ((bank technical) OR (a technical)) paper. europe and central asia environmentally and socially sustainable resource development series. ) or ( world ((bank technical) OR (a technical)) paper. europe and central asia environmentally and socially sustainable future development series. ))*.