Perhaps you should try some spelling variations:
stroke communication » prone communication, spoken communication, style communication
communication 3.3.1 » communication 13.3.1, communication 3.2.1, communication 3.3.4
deux developpement » deux developpements, de developpement, du developpement
11 integration » 10 integration, 4.1 integration, 1.2 integration
technology 11 » technology 1.1, technology 110, technology 171
des afrique » en afrique, de l'afrique
3.3.1 deux » 3.3.1 der
10 stroke » _ stroke, 6 stroke, 7 stroke
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 stroke communication 3.3.1 deux developpement des afrique.*.