Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information based » information case, information bank, transformation based
de developpement » sme development
des afrique » en afrique, de l'afrique
de verbal » des verbal, die verbale, pre verbal
based de » based dm, based debt, based deep
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information based de verbal communication a de developpement des afrique.*.