Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade developpement » trade developement, trade development, de developpement
technologies der » technologies de, technologie der, technologies under
information gaps » information gap
developpement en » developpement et, developpement des, developpement de
der information » insider information, sector information, labor information
costs trade » costly trade
gaps do » games do, gaps how, gaps vom
do data » eo data, go data, geo data

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

• Adding a wildcard symbol may retrieve word variants: technologies der information gaps do data communications costs trade developpement en afrique.*.