Perhaps you should try some spelling variations:
technology choice » technology change
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
choice inflation » choice information, price inflation
developpement de » developpement des, developpement durable
inflation als » inflation a, inflation auf, inflation rates
de afrique » de l'afrique, en afrique, l afrique
als case » als care, goals case, sales case
case 4.1 » case 4.2, case 1

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

• Adding a wildcard symbol may retrieve word variants: technology choice inflation als case 4.1 communication costs _ developpement de afrique.*.