Perhaps you should try some spelling variations:
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
das developpement » des developpements, de developpement, du developpement
technologies can » technologies a, technologies co, technologies _
developpement de » developpement des, developpement durable
can information » von information, von informationen
de afrique » de l'afrique, en afrique, l afrique
access de » access e, access fee, access age
de 3.1 » de 3.2, de 3.3, de 3.4

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

• Adding a wildcard symbol may retrieve word variants: technologies can information access de 3.1 communications _ das developpement de afrique.*.