Perhaps you should try some spelling variations:
communication 4.3.4 » communication 2.3.4, communication 3.3.4, communication 4.3.1
de communication » mobile communication, online communication
interaction 3.3 » interaction _, interaction 1, interaction 4
das development » dams development, gas development, does development
development en » developpement en, development menu, development eco
4.3.4 das » 4.3.2 das, 4.3.1 das
3.3 a » 3.3 _, 2.3 a, 4.3 a
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology _ interaction 3.3 a de communication 4.3.4 das development en afrique.*.