Perhaps you should try some spelling variations:
information series » information services, informatics series, information service
technologies can » technologies a, technologies co, technologies _
ec communication » de communication, 3 communication, 4 communication
can information » von information, von informationen
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
series modern » series model, series models, series module
developing a » developing _
modern ec » modern c, modern era, modern _
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologies can information series modern ec communication costs 4.1 developing a africa.*.