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
led developpement » le developpement, leur developpement, de developpement
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
rate file » case file, rate fee, rate firm
china led » china land, china less, china law
l afrique » en afrique
file 4 » file 14, file 24, file 34

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 4 communication china led developpement l afrique.*.