Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
services information » series information, services innovation, services international
technology services » technology series, technology choices, technology studies
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
information und » informations und
developing l » developing l2, developing _, developing a
l afrique » en afrique
und cash » und case, und care, und carl
cash 3.1 » case 3.1, cash 3.2, cash 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology services information und cash 3.1 communications costs _ developing l afrique.*.