Perhaps you should try some spelling variations:
technology leaders » technology readiness, technology trade, technology users
leaders reaction » leaders section, farmers reaction, leader election
au developpement » du developpement, de developpement, le developpement
4 communication » 3 communication, 5.4 communication, de communication
des l'afrique » de l'afrique, de l'amerique
reaction law » reaction a, reaction rate, reaction ball
law rates » low rates, law rules
costs au » costs a, costs amy, costs _
rates 4 » rates a4, rates _, rates a

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

• Adding a wildcard symbol may retrieve word variants: technology leaders reaction law rates 4 communication costs au developpement des l'afrique.*.