Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
communications 13 » communications 1, communications 14, communications 3
die developpement » de developpement, le developpement, du developpement
typologien does » typologie des, typologien der, typologie der
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
variation 8.1 » variation 8.13, variation 4.1, variation 2.1
l afrique » en afrique
8.1 does » 3.1 does, 4.1 does, 18.2 does
13 die » 1.3 die

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation 8.1 does china communications 13 die developpement l afrique.*.