Perhaps you should try some spelling variations:
information ratio » information nation, information matrix, information section
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
than information » chain information, can information, hand information
technology than » technology tax, technology trap, technology change
4 developing » 3 developing
developing e » developing _, developing a, developing east
e afrique » en afrique, l afrique, de l'afrique
ratio a » ratio _, ratio 2, ratio 6
costs 4 » costs _, costs a, costs 4.2
a 2.7 » a 2.1, a 2.2, a 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology than information ratio a 2.7 communication costs 4 developing e afrique.*.