Perhaps you should try some spelling variations:
cat communications » data communications, chad communications, haiti communications
das developpements » des developpements, deux developpements, de developpement
developpements de » developpement de, developpement des, developpement du
21st information » cost information, ist information, asset information
communications a » communications _, communications law, communications media
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
information act » information age, information a, information about
does cat » does cash, does city, does a
a das » 1 das, 2 das, 3 das

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology 21st information act does cat communications a das developpements de (arce.* OR arc.*)~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technology 21st information act does cat communications a das developpements de (arce.* OR arc.*)".
• Adding a wildcard symbol may retrieve word variants: technology 21st information act does cat communications a das developpements de (arce.* OR arc.*)*.