Perhaps you should try some spelling variations:
communication methods » communication media, communication model
data communication » data communications
development banks » development bank
20 development » 2 development, 2015 development, 2007 development
information a » information age, information about
methods 20 » methods 2, methods 10, methods 20.4
de data » e data, wide data, de datos
a de » a die, a der, a des

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 a de data communication methods 20 development banks afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information a de data communication methods 20 development banks afrique.*.