Perhaps you should try some spelling variations:
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
communication 4 » communication _, communication a, communication 3
typology die » typology _, typology 6, typology 3.3
typology 4.1 » typology 2.2.1, typology _, ecology 4.1
variation 6 » variation _, variations _, variation des
6 der » _ der, 2 der, 3 der
4 der » _ der, 2 der, 3 der

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((typology die) OR (typology 4.1)) variation 6 der _ communication 4 der developpement en afrique.~".
• Adding a wildcard symbol may retrieve word variants: ((typology die) OR (typology 4.1)) variation 6 der _ communication 4 der developpement en afrique.*.