Perhaps you should try some spelling variations:
language cognition » language acquisition
transformations 3 » transformations _, transformations 1, transformations 4
cognition costs » cognition cross, cognition casc, cognition goals
und language » d language, found languages, used languages
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 2 areas, 4 areas
3 und » 13 und, 23 und, _ und

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

• Adding a wildcard symbol may retrieve word variants: technologies _ transformations 3 und language cognition costs 4 developing 1 areas.*.