Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
information 1.2 » information 1.5.2, information 2
2 communication » 3 communication, 4 communication, 1 communication
technologies 4 » technologies _
4 information » 2 information, 1 information
i development » ii development, 2 development, 3 development
china africa » cpia africa, china asia
series i » series _, series 1, series 2
1.2 de » 1.2 die, 1.2 der, 1.2 des
de 2 » dem 2, des 2, der 2

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 1.2 de 2 communication series i development china africa.*.