Perhaps you should try some spelling variations:
touch communication » trough communication, truth communication, through communication
developpement en » developpement et, developpement des, developpement de
2.1 information » 3.1 information
4 developpement » de developpement, le developpement, et developpement
technology 2.1 » technology 2.2, technology 3.1, technology 1
information 2 » information 3
states touch » states through, states toy, states today
2 states » 26 states, 2 state, 2 status
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 information 2 states touch communication costs 4 developpement en afrique.*.