Perhaps you should try some spelling variations:
integration wage » integration wege, integration wie, integration work
developpement en » developpement et, developpement des, developpement de
dis integration » disintegration _
4 communication » 3 communication, 5.4 communication, de communication
technology dis » technology does, technology 4ir, technology dlt
wage case » wages case, age case, image case
case 4 » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technology dis integration wage case 4 communication costs _ developpement en afrique.*.