Perhaps you should try some spelling variations:
communication effect » communication effective, communication efforts, communication aspect
data communication » data communications
model development » local development, social development, global development
information und » informations und
effect model » effects model
africa oil » african oil
d data » 3d data, 5d data, id data
und d » und de, und da, und _

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information und d data communication effect model development africa oil.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information und d data communication effect model development africa oil.*.