Perhaps you should try some spelling variations:
4.2 developpement » 4.2 development, de developpement, le developpement
3.2 communication » 3 communication, 2.3 communication, de communication
dis integration » disintegration _
integration tea » integration thema, integration than, integration trade
technology dis » technology does, technology 4ir, technology dlt
des afrique » en afrique, de l'afrique
tea trade » a trade
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 dis integration tea trade 3.2 communication costs 4.2 developpement des afrique.*.