Perhaps you should try some spelling variations:
sections development » section development, sectional development, relations development
communication cross » communication costs
data communication » data communications
technology 2.2 » technology _, technology 1, technology 3
2.2 innovation » 2.3 innovation, 3 innovation, der innovation
cross sections » cross section, cross sectional, across sectors
china africa » cpia africa, china asia
de data » e data, wide data, de datos

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 innovation lab de data communication cross sections development china africa.*.