Perhaps you should try some spelling variations:
transfer inflation » transfer innovation, transfer simulation, transfer simulations
2.4 communication » 2.14 communication, 5.4 communication, 2.3 communication
2 developpement » de developpement, le developpement, et developpement
des afrique » en afrique, de l'afrique
rate date » rate data, trade date, rate water
date 2.4 » data 2.4, rate 2.4, debate 2.4
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology transfer inflation rate date 2.4 communication costs 2 developpement des afrique.*.