Perhaps you should try some spelling variations:
oral communication » personal communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 informations » 2.1 information, 9.2.1 informations, 3.1 information
informations och » information och, informations und, informations sur
developing basin » developing asia, developing asian, developing based
4 developing » 3 developing
der oral » der moral, der ort, der orte
och der » och de, och det, och den
costs 4 » costs _, costs a, costs 4.2
area. » areas.

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 informations och der oral communication costs 4 developing basin area.*.