Perhaps you should try some spelling variations:
information officers » information services
communicative costs » communication costs, communications costs, communication costa
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
a communicative » _ communicative, a communication, la communication
11.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
developing ai » developing a, developing av, developing asia
officers 4.3 » officers 3.9, officers _, office 2.3
costs 11.4 » costs 11.1, costs 11.7, costs 12.4
ai africa » ii africa, can africa, 1 africa
4.3 a » 4.3 _, 2.3 a, 4.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information officers 4.3 a communicative costs 11.4 developing ai africa.*.