Perhaps you should try some spelling variations:
downward communication » towards communication, aware communication, hazard communication
technologies past » technologies part, technologies pt, technologies art
communication 3.2 » communication 3.3, communication 3.4, communication 2
past information » plant information, cost information, ist information
information age » information storage, information access, information about
3 development » 2 development
2.5 downward » 5.4 downward, 14.7 downward, _ downward
1 afrique » l afrique, en afrique, 1 enrique
age 2.5 » age 2.1, age 8.5, age 1.5
3.2 3 » 3.2 3d, 3.2 _, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies past information age 2.5 downward communication 3.2 3 development 1 afrique.*.