Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
communications 13 » communications 1, communications 14, communications 3
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
variation 2.1 » variation 4.1, variation 8.1, variation 2.6.1
de afrique » de l'afrique, en afrique, l afrique
2.1 does » 2.3 does, 2.4 does, 2.6 does
13 des » 13 does, 13 der, 13 das

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

• Adding a wildcard symbol may retrieve word variants: typologien die variation 2.1 does china communications 13 des developpement de afrique.*.