Perhaps you should try some spelling variations:
integration roles » integration regimes, integration reforms, integration points
de communication » mobile communication, online communication
port development » export development, airport development, forest development
technology zur » technology 4ir, technologien zur, technology _
development ds » development d, development does, development desd
roles rade » roles de
ds afrique » en afrique, l afrique, de l'afrique
rade de » grade der, trade die, garde de
a port » a post, a poet, la porta

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

• Adding a wildcard symbol may retrieve word variants: technology zur integration roles rade de communication a port development ds afrique.*.