Perhaps you should try some spelling variations:
data communication » data communications
development saber » development series, development strategy
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
information 1.2 » information 1.5.2, information 2
does data » does cat
1.2 does » 13.2 does, 18.2 does, 1.2 des
costs 2 » costs 20, costs _, costs 4

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 1.2 does data communication costs 2 development saber afrique.*.