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 2.3 » variation 3.3, variation 4.3, variation 2.1
l afrique » en afrique
2.3 does » 12.3 does, 2.4 does, 2.6 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 2.3 does china communications 13 die developpement l afrique.*.