Perhaps you should try some spelling variations:
trade communication » true communication, stroke communication, radio communication
communication 3.3.1 » communication 13.3.1, communication 3.2.1, communication 3.3.4
der developpement » de developpement, des developpements, leur developpement
developpement la » developpement de, developpement et, developpement du
11 integration » 10 integration, 4.1 integration, 1.2 integration
technology 11 » technology 1.1, technology 110, technology 171
la afrique » l afrique, la fabrique, en afrique
3.3.1 der » 2.3.1 der, 3.3.2 der, 5.3.1 der
10 trade » 1 trade, 20 trade, 11 trade
der 10 » der 11, der 12, der 15

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

• Adding a wildcard symbol may retrieve word variants: technology 11 integration der 10 trade communication 3.3.1 der developpement la afrique.*.