Perhaps you should try some spelling variations:
aqaba environmental » global environmental, trade environmental, urban environmental
development series » development services, development agencies, development africa
sustainable urban » sustainable use
urban development » human development
technical paper » technical experts, technical report
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 _ technical paper. europe and central aqaba environmental and socially sustainable urban development series.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: world _ technical paper. europe AND central aqaba environmental AND socially sustainable urban development series..
• Adding a wildcard symbol may retrieve word variants: world _ technical paper. europe and central aqaba environmental and socially sustainable urban development series.*.