Perhaps you should try some spelling variations:
price information » private information, price inflation
information ratio » information nation, information matrix, information section
6.4 communication » 5.4 communication, 1.4 communication, 2.4 communication
technology price » technology rich, technology voice, technology service
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
ratio race » nation race, ratio price, rat race
race 6.4 » race 1.4, grace 6.2, races 6.3
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology price information ratio race 6.4 communication costs 4 developpement en afrique.*.