Perhaps you should try some spelling variations:
integration roles » integration regimes, integration reforms, integration points
de communication » mobile communication, online communication
technology zur » technology 4ir, technologien zur, technology _
development ds » development d, development does, development desd
roles trade » rules trade, does trade, prices trade
ds afrique » en afrique, l afrique, de l'afrique
trade de » trade die, rade de, trade date
a export » ap export, 2 export, 3 export

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 trade de communication a export development ds afrique.*.