Perhaps you should try some spelling variations:
vertical communication » verbal communication, virtual communication, optical communication
communication model » communication media
data integration » data integrity
de developpement » sme development
developpement de » developpement des, developpement durable
technology data » technology dlt, technology debate, technology debts
3 vertical » _ vertical, 6 vertical, 2 vertical
de afrique » de l'afrique, en afrique, l afrique
model de » model due, model d, model du

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

• Adding a wildcard symbol may retrieve word variants: technology data integration 3 3 vertical communication model de developpement de afrique.*.