Perhaps you should try some spelling variations:
communications network » communications networks, communication network, communication networks
site developpement » site development, de developpement, le developpement
developpement de » developpement des, developpement durable
information der » information oder, information does, informatik der
pt information » ct information, plot information, get information
technology pt » technology 1, technology 3, technology 4
network site » network sites, network size, network state
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology pt information der does _ communications network site developpement de afrique.*.