Perhaps you should try some spelling variations:
communication present » communication event, communication patient, communication elements
development clusters » development cluster, development centers, developing clusters
clean development » human development, urban development
de communication » mobile communication, online communication
information 1.2 » information 1.5.2, information 2
clusters africa » centers africa, clusters asia
technologies 1 » technologies _, technologies 4, technologies 2
present clean » present nuclear, present green, present le

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 1 information 1.2 _ de communication present clean development clusters africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies 1 information 1.2 _ de communication present clean development clusters africa.*.