Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
rate information » trade information, care information, age information
information when » information what, information war, information wants
2 communications » 2 communication, 3 communications, 4 communications
developpement en » developpement et, developpement des, developpement de
technology rate » technology state, technology role, technology related
when case » when base, women case, when can
case 2 » case 1

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

• Adding a wildcard symbol may retrieve word variants: technology rate information when case 2 communications costs _ developpement en afrique.*.