Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
debit online » design online, der online, des online
3.2 debit » 3.2 bit, 3.2 det, 4.2 debt
costs 4 » costs _, costs a, costs 4.2

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 3.2 debit online communication costs 4 developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information 3.2 debit online communication costs 4 developpement en afrique.*.