Perhaps you should try some spelling variations:
f5.2 communication » 5.2 communication, 5.5.2 communication, 3.2 communication
technology choice » technology change
choice inflation » choice information, price inflation
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
rate case » state case, write case, rate caps
case f5.2 » case 5.2, case f6.2, case 2.5.2
costs de » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology choice inflation rate case f5.2 communication costs de developpement en afrique.*.