Perhaps you should try some spelling variations:
communication problem » communication problems, communications problems, communicating problem
data communication » data communications
technologies 3.5 » technologies 3.1, technologies 3.2, technologies 3.4
m developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
3.5 formacion » 4.5 formation, 6.2 formacion, 3.5 information
formacion de » formacion del, formation des, creacion de
does data » does cat
problem m » problem _, problem 3, problem 2
l afrique » en afrique
de does » der does, do does, one does

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.5 formacion de does data communication problem m developpement l afrique.*.