Perhaps you should try some spelling variations:
communication methods » communication media, communication model
chain development » clean development, carbon development, human development
information gaps » information gap
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
methods chain » methods main, methods again, methods brain
gaps de » gaps do, camps de, gaps new
de mass » de masse, de mais, de masa

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information gaps de mass communication methods chain development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gaps de mass communication methods chain development _ afrique.*.