Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
information centers » information contents, information officers
technologies 2.1 » technologies _, technologies 4, technologies a
et communication » et communicatione, get communication, debt communication
2.1 information » 3.1 information
developing data » developing a, developing asia, developing east
14 developing » 4 developing, 1 developing, 10 developing
data africa » ratha african, intra africa, baga african
centers 3 » centers _, centers a, centers 3.3
costa 14 » cost 4, costa e, cost 12
3 et » 13 et, 3 fet, 3 set

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 centers 3 et communication costa 14 developing data africa.*.