Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
urban development » human development
technologies 4 » technologies _
4 information » 2 information, 1 information
series urban » besides urban, streets urban, cities urban
go data » geo data, eo data, two data

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 4 information law go data communications series urban development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 4 information law go data communications series urban development _ afrique.*.