Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies series » technology series
series information » business information
urban development » human development
development en » developpement en, development menu, development eco
costs urban » cost urban, across urban, crisis urban
de data » e data, wide data, de datos

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

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