Perhaps you should try some spelling variations:
china communication » china communications, chief communication, china's communications
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
4.1 variation » 1.1 variation, 2.1 variation, 4.3 variation
variation bei » variation des, variation der, variation _
typology 4.1 » typology 2.2.1, typology _, ecology 4.1
de afrique » de l'afrique, en afrique, l afrique
bei does » being does, behn does, bei der

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

• Adding a wildcard symbol may retrieve word variants: typology 4.1 variation bei does china communication _ au developpement de afrique.*.