Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
information 4.3.3 » information 3.3, information 4.2, information 1.5.2
developing aside » developing asia, developing asian, developing asia's
technologies 4 » technologies _
4 information » 2 information, 1 information
3 developing » 3 development
aside areas » marine areas, alpine areas, saline areas
das online » des online, der online, die online
4.3.3 das » 4.3.2 das, 3.3.3 das, 4.3.1 das
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 4.3.3 das online communication costs 3 developing aside areas.*.