Perhaps you should try some spelling variations:
development series » development services, development agencies, development africa
sustainable urban » sustainable use
urban development » human development
technical paper » technical experts, technical report
bank technical » a technical
central sea » central asia, central de, central asian
central s.a » central asia, central asian, central java

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