Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
developpement de » developpement des, developpement durable
technologies 4 » technologies _
4 information » 2 information, 1 information
de afrique » de l'afrique, en afrique, l afrique
centers e » centers _, centers 3, centers a
e data » e datas, age data, cge data

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information centers e data communications costs _ developpement de afrique.*.