Perhaps you should try some spelling variations:
u.s communication » u.s communications, 2.3 communication, 3.2 communication
user information » der information, other information, user innovation
de developpement » sme development
technology user » technology users, technology use, technology used
information und » informations und
developpement l » developpement il, developpement la, developpement de
und policy » und policey, land policy, aid policy
policy u.s » policy 3.1, policy 2.1, policy 3.3
systems de » systemes de, systems der, systems die
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology user information und policy u.s communication systems de developpement l afrique.*.