Perhaps you should try some spelling variations:
asia environmentally » _ environmentally, sea environmental, aqaba environmental
sustainable resource » sustainable future
development series » development services, development agencies, development africa
sustainable urban » sustainable use
urban development » human development
technical report » technical support, technical experts
technical paper » technical experts

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