Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
developpement l » developpement il, developpement la, developpement de
technology new » technologies new, technology needs, technology 1
isolation task » isolation class, isolation a, isolation age
new isolation » der isolation, new solution, cell isolation
l afrique » en afrique
task wie » task size, task cil, task ii
wie 3.1 » wie 11.1

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

• Adding a wildcard symbol may retrieve word variants: technology new isolation task wie 3.1 communications costs _ developpement l afrique.*.