Perhaps you should try some spelling variations:
stroke communication » prone communication, spoken communication, style communication
integrating world » integrated world, integrating area, integrating land
developpement de » developpement des, developpement durable
3.1 integrating » 3.2 integrating, 3.3 integrating, 3.6 integrating
technology 3.1 » technology 1, technology 2.2, technology _
de afrique » de l'afrique, en afrique, l afrique
3 stroke » _ stroke, 6 stroke, 7 stroke
world 3 » world _, world a, world 1

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 integrating world 3 stroke communication media _ developpement de afrique.*.