Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information centre » information centers, information contents
technologie much » technologie durch, technologie mensch, technologie und
much information » math information, catch information, pitch information
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
developing ce » developing e, developing ict, developing cil
c personal » a personal, 1 personal, 4 personal
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
ce africa » de africa, care africa, use africa
centre c » centre _, centre a, centre bic

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

• Adding a wildcard symbol may retrieve word variants: technologie much information centre c personal communication costs 4.1 developing ce africa.*.