Perhaps you should try some spelling variations:
technologies content » technological content, technology content, technologies current
communication models » communications models, communication model, communication modes
content information » contents information, contact information, contract information
information 3 » information 2
models 2 » models 1, models 3, models 4
le risk » e risk, de risk, life risk
3 le » 3 les, 3 la, 1 le

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

• Adding a wildcard symbol may retrieve word variants: technologies content information 3 le risk communication models 2 development 1 africa.*.