Perhaps you should try some spelling variations:
communication medium » communication mediums, communication media, communications media
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
information 4.3 » information 4.2, information 4.3.3, information 1.2
technologies 1 » technologies _, technologies 4, technologies 2
medium der » medium term, medien der
4.3 does » 2.3 does, 4.1 does, 5.3 does

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 4.3 does _ communication medium der developpement en afrique.*.