Perhaps you should try some spelling variations:
technology sharing » technology changing, technology learning, technology during
4.2 developpement » 4.2 development, de developpement, le developpement
sharing national » changing national, learning national, shifting national
3 communication » 4 communication, de communication, data communication
national rules » nationality rules, national results, national scales
des afrique » en afrique, de l'afrique
trade 3 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: technology sharing national rules trade 3 communication costs 4.2 developpement des afrique.*.