Perhaps you should try some spelling variations:
development canada » development china, development case, development center
case communication » based communication, scale communication, face communication
technologies der » technologies de, technologie der, technologies under
information gaps » information gap
der information » insider information, sector information, labor information
canada africa » can africa, sahara africa, canada april
gaps data » gps data, das data
data case » data base, data based

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 data case communication a _ development canada africa.*.