Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologien fairs » technologien fur, technologien als, technologies fail
information centre » information centers, information contents
fairs information » fair information, aids information, dis information
do communications » 10 communications, 14 communications, 2 communications
3.3 developing » 4 developing, 2 developing, 1 developing
developing v » developing av, developing _, developing a
centre case » century case, centred care, central case
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
v africa » 1 africa, em africa
case do » case d, case d1, case d2

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

• Adding a wildcard symbol may retrieve word variants: technologien fairs information centre case do communications costs 3.3 developing v africa.*.