Perhaps you should try some spelling variations:
population strategy » education strategy, population estimates, population structure
3.2 communication » 3 communication, 2.3 communication, de communication
au developpement » du developpement, de developpement, le developpement
technology age » technology usage, technology wages, technology a
strategy trade » strategic trade, strategy trust, strategy strategy
des afrique » en afrique, de l'afrique
trade 3.2 » trade 2.2, trade 2, trade 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology age population strategy trade 3.2 communication _ au developpement des afrique.*.