Perhaps you should try some spelling variations:
communication medium » communication mediums, communication media, communications media
des developpement » des developpements, de developpement, le developpement
information 18.2 » information 1.2, information 15.2, information 11.2
14 communication » 1.4 communication, 14 communications, 4 communication
developpement de » developpement des, developpement durable
medium des » medium der, medien des
18.2 does » 13.2 does, 18.3 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 _ information 18.2 does 14 communication medium des developpement de l'afrique.*.