Perhaps you should try some spelling variations:
when communication » where communication, open communication, sign communication
set developpement » et developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
4 translation » 4 translations, _ translation, a translation
translation a » translation _, translation 4, translations _
technology 4 » technology _, technology 1, technology 3
paper when » paper ten, paper wie, power when
de afrique » de l'afrique, en afrique, l afrique
a paper » _ paper, i paper, ii paper
3 set » _ set, a set, 2 set

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

• Adding a wildcard symbol may retrieve word variants: technology 4 translation a paper when communication 3 set developpement de afrique.*.