Perhaps you should try some spelling variations:
communication effort » communication efforts, communication errors, communication et
data communication » data communications
faible development » failure development, agile development, stable development
information 3 » information 2
effort faible » efforts fail
africa second » africa beyond
4.1 data » 2.1 data, 3.1 data
3 4.1 » a 4.1, _ 4.1, 3 4.4

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 3 4.1 data communication effort faible development africa second.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information 3 4.1 data communication effort faible development africa second.*.