Perhaps you should try some spelling variations:
information centers » information contents, information officers
road communication » good communication, thread communication, brand communication
communication cost » communication costs, communication costa, communications costs
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
3.3 developing » 4 developing, 2 developing, 1 developing
developing em » developing e, developing eq, developing amp
centers how » center how, centers hold, century how
em africa » 1 africa
how road » how broad, low road, slow road
cost 3.3 » cost 3.2, cost 2.3, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technologies co information centers how road communication cost 3.3 developing em africa.*.