Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology tools » technology thesis
tools innovation » models innovation, does innovation, als innovation
innovation trade » innovative trade, innovation trends, innovation leader
developpement l » developpement il, developpement la, developpement de
trade date » trade data, matrade dato
l afrique » en afrique
date 6.2 » daten 6.2, data 6.2, date 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology tools innovation trade date 6.2 communication costs _ developpement l afrique.*.