Perhaps you should try some spelling variations:
11.4 communication » 1.4 communication, 11.6 communication, 11.4.1 communication
information 2.2 » information 1.2, information 2.7, information 2.2.2
a developpement » au developpement, de developpement, le developpement
des l'afrique » de l'afrique, de l'amerique
technology 1 » technology _
price 11.4 » price 4.4, price 1.3, price 10.1
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 2.2 price 11.4 communication costs a developpement des l'afrique.*.