Perhaps you should try some spelling variations:
information nation » information ratio, information function, information section
2.3 communication » 3.2 communication, de communication, 4 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
nation a » nation _
costs 4 » costs _, costs a, costs 4.2
a 2.3 » a 3.3, b 2.3, _ 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 nation a 2.3 communication costs 4 developing e afrique.*.