Perhaps you should try some spelling variations:
used information » user information, use information, based information
information last » information list, information lost, information law
technology used » technology use, technology based, technology users
a communication » la communication, data communication, data communications
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
last decades » last decade, lost decade, past decade
developing v » developing av, developing _, developing a
decades a » decades _, decade _, decade 1
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
v africa » 1 africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technology used information last decades a communication costs 4.1 developing v africa.*.