Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
trade infection » tract infection, trade interaction, trade deflection
developpement l » developpement il, developpement la, developpement de
infection data » infection rate, infection rates, section data
data scarce » data source, data sparse, data sources
scarce 3.2 » source 3.2, scale 3.2
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology trade infection data scarce 3.2 communication efforts _ developpement l afrique.*.