Perhaps you should try some spelling variations:
duty developpement » du developpement, de developpement, et developpement
communications can » communication can, communications case, communications juan
information 1.5.2 » information 1.2, information 2
10 communications » 10 communication, 14 communications, 2 communications
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
1.5.2 der » 3.5.2 der, 5.5.2 der, 1.5.4 der
can duty » a duty, can buy, can data
der 10 » der 11, der 12, der 15

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

• Adding a wildcard symbol may retrieve word variants: technologies can information 1.5.2 der 10 communications can duty developpement de afrique.*.