Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
3.2 dem » 3.2 der, 3.2 des, 3.2 det
dem de » dem die, dem der, dem ende

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 3.2 dem de communication costs _ developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information 3.2 dem de communication costs _ developpement en afrique.*.