Perhaps you should try some spelling variations:
aqaba environmental » global environmental, trade environmental, urban environmental
sustainable social » sustainable society, sustainable solid, sustainability social
sustainable rural » sustainable urban, sustainable use, sustainable resource
technical paper » technical experts, technical report
bank technical » a technical
central aqaba » central asia, 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 aqaba environmental and socially sustainable rural development africa. ) OR ( world bank technical paper. europe and central aqaba environmental and socially sustainable social development africa. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( world bank technical paper. europe AND central aqaba environmental AND socially sustainable rural development africa. ) OR ( world bank technical paper. europe AND central aqaba environmental AND socially sustainable social development africa. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( world bank technical paper. europe and central aqaba environmental and socially sustainable rural development africa. ) OR ( world bank technical paper. europe and central aqaba environmental and socially sustainable social development africa. ))".
• Adding a wildcard symbol may retrieve word variants: (( world bank technical paper. europe and central aqaba environmental and socially sustainable rural development africa. ) OR ( world bank technical paper. europe and central aqaba environmental and socially sustainable social development africa. ))*.