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
typologien de » typologien der, typologie des, typologie der
variation 2.1 » variation 4.1, variation 8.1, variation 2.6.1
de variation » der variation, die variation, does variation
des afrique » en afrique, de 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 de variation 2.1 does china communications 13 des developpement des afrique.*.