Perhaps you should try some spelling variations:
trade developpement » trade developement, trade development, de developpement
data communication » data communications
information costs » information contents, information centers, information content
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
technologie c » technologies 2, technologies 3, technologies 1
c information » 2 information, 1 information, 10 information
annex data » annex daten, index data, scanner data
3 trade » 1 trade, 4 trade, 2 trade

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

• Adding a wildcard symbol may retrieve word variants: technologie c information costs annex data communication 3 trade developpement en afrique.*.