Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technologies fairs » technologies fail, technologies failure, technologies varies
information centre » information centers, information contents
fairs information » fair information, aids information, dis information
de communications » de communication, do communications, mce communications
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
developing can » developing a, developing ai, developing av
centre 3.3 » centre 2.3, centre 3.2, centres 5.3
can africa » urban africa
3.3 de » 3.3 die, 3.3 der, 3.3 dem

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

• Adding a wildcard symbol may retrieve word variants: technologies fairs information centre 3.3 de communications costs 4.2 developing can africa.*.