Perhaps you should try some spelling variations:
3.4.1 communication » 3.4.2 communication, 3.4.4 communication, 9.4.1 communication
information gross » information across, information loss, information goods
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
gross primary » post primary, from primary
primary 3.4.1 » primary 3.2.3, primary 11.1.1, primary 8.3.2
technology 1 » technology _
et fabrice » avec fabrice, roth fabrice
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information gross primary 3.4.1 communication costs a developpement et fabrice.*.