Perhaps you should try some spelling variations:
defense communications » leone communications, recent communications, dimension communications
communications costs » communication costs, communications _
information centre » information centers, information contents
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
has defense » a defense, la defense, u.s defense
centre has » century has, centre case, centre des
em africa » 1 africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 information centre has defense communications costs 4 developing em africa.*.