Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
dis integration » disintegration _
integration als » integration a, integration 3, integration 4
technology dis » technology does, technology 4ir, technology dlt
als trade » als trager, arms trade, u.s trade
trade 6.2 » trade 2.2, trade 3.2, trade 4.2
costs des » costs fees

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

• Adding a wildcard symbol may retrieve word variants: technology dis integration als trade 6.2 communication costs des developpement en afrique.*.