Perhaps you should try some spelling variations:
u.s communications » 3.1 communications, les communications, nps communications
die developpement » de developpement, le developpement, du developpement
variation across » variations across, education across, variation series
communications 2 » communications _, communications a, communications 5
developpement la » developpement de, developpement et, developpement du
technologies en » technologies e, technologies et, technologies can
en variation » von variation, der variation, bei variation
across des » across modes, across ages, across new
la afrique » l afrique, la fabrique, en afrique
des u.s » des us, der u.s

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

• Adding a wildcard symbol may retrieve word variants: technologies en variation across des u.s communications 2 die developpement la afrique.*.