Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
time communications » time communication, type communications, wartime communications
technologies art » technologies part, technologies a, technologies bit
art information » party information, smart information, ct information
centers using » centres using, centers moving, bunkers using
developing em » developing e, developing eq, developing amp
4 developing » 3 developing
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 art information centers using time communications costs 4 developing em africa.*.