Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
communication use » communication une, communication using, communication _
le developpement » de developpement, sme development
developpement il » developpement de, developpement et, developpement du
one information » more information, age information, die information
technology one » technology other, technology o140, technology 1
table chile » tables china
il afrique » l afrique, en afrique
chile 2.1 » chile 3.1, chile 2.2, chile 5.2.1
use le » use lean, use life

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

• Adding a wildcard symbol may retrieve word variants: technology one information table chile 2.1 communication use le developpement il afrique.*.