Perhaps you should try some spelling variations:
communications cost » communications costs, communications cross, communication costs
4 communications » 14 communications, 4 communication, 2 communications
technologies 2 » technologies _, technologies 4
contents head » contents lead, contents map, contents a
14 developing » 4 developing, 1 developing, 10 developing
developing a » developing _
a africa » 1 africa, can africa, em africa
cost 14 » cost 4, cost 12, cost 15
head 4 » ahead 4, head _, dead 4

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents head 4 communications cost 14 developing a africa.*.