Perhaps you should try some spelling variations:
data communication » data communications
fail development » rail development, rail developments, oil development
information a » information age, information about
africa second » africa beyond
efforts fail » effort faible, efforts acd, efforts amid
4.1 data » 2.1 data, 3.1 data
a 4.1 » a 4.2, a 6.1

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 4.1 data communication efforts fail development africa second.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information a 4.1 data communication efforts fail development africa second.*.