Perhaps you should try some spelling variations:
communications series » communication series, communications services, communication services
10 communications » 10 communication, 14 communications, 2 communications
das developpement » des developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
information 1 » information 2, information 3, information 3.2
series das » series data, series bias, series a
de afrique » de l'afrique, en afrique, l afrique
1 does » 10 does, 13 does, 12 does

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 1 does 10 communications series das developpement de afrique.*.