Perhaps you should try some spelling variations:
der developpements » des developpements, deux developpements, de developpement
csr communication » de communication, 3 communication, 4 communication
developpements en » developpement en, developpement et, developpements de
information 1800 » information 1, information 1.2, information 1.3
communication 3 » communication _, communication a
technologies 2 » technologies _, technologies 4
1800 der » 1880 der, 1890 der, 1900 der
der csr » does csr
3 der » _ der, 2 der

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 1800 der csr communication 3 der developpements en afrique.*.