Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information centre » information centers, information contents
technologies 2.1 » technologies _, technologies 4, technologies a
et communication » et communicatione, get communication, debt communication
2.1 information » 3.1 information
4 developing » 3 developing
developing v » developing av, developing _, developing a
centre 3 » centre _, centre a, centre c
v africa » 1 africa, em africa
cost 4 » cost _, cost 2.4
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 centre 3 et communication cost 4 developing v africa.*.