Perhaps you should try some spelling variations:
technology transfers » technology transfer
transfers inflation » transfer innovation, transfer simulation, transfers taxation
communication china » telecommunication china, communication costs, communication cross
let developpement » le developpement, et developpement, leur developpement
3 communication » 4 communication, de communication, data communication
developpement l » developpement il, developpement la, developpement de
rate file » case file, rate fee, rate firm
china let » china led, china less, china law
l afrique » en afrique
file 3 » file 13, file 23, file 30

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

• Adding a wildcard symbol may retrieve word variants: technology transfers inflation rate file 3 communication china let developpement l afrique.*.