Perhaps you should try some spelling variations:
communication cities » communication series, communication cote, communication crisis
data communication » data communications
en developpement » et developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
information can » information case, information 1, information 1.2
technologies 2 » technologies _, technologies 4
cities en » cities get, cities can, cities _
geo data » eo data, two data
can geo » can go, can get, can good

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information can geo data communication cities en developpement de l'afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information can geo data communication cities en developpement de l'afrique.*.