Perhaps you should try some spelling variations:
communication china » telecommunication china, communication costs, communication cross
developpement de » developpement des, developpement durable
information und » informations und
1 communication » 10 communication, 3 communication, 4 communication
a developpement » au developpement, de developpement, le developpement
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
und process » und prozess, undue process, und prozesse
de afrique » de l'afrique, en afrique, l afrique
process 1 » process 3, process 4

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information und process 1 communication china a developpement de afrique.*.