Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
developing lie » developing e, developing ai, developing ce
4 developing » 3 developing
lie afrique » l afrique
about der » about dnr, about older, about dark
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 about der online communication costs 4 developing lie afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information about der online communication costs 4 developing lie afrique.*.