Perhaps you should try some spelling variations:
paper communications » power communication, face communications, layer communication
deux developpement » deux developpements, de developpement, du developpement
information space » information search, information service, information science
developpement de » developpement des, developpement durable
technologies de » technologies _, technologies 4, technologies 2
de information » die information, de informacion, e information
de afrique » de l'afrique, en afrique, l afrique
space e » space _, space a, space 1
e paper » e papers, _ paper, i paper

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

• Adding a wildcard symbol may retrieve word variants: technologies de information space e paper communications _ deux developpement de afrique.*.