Perhaps you should try some spelling variations:
personen communication » personal communication, personal communications, prone communication
transformations 3 » transformations _, transformations 1, transformations 4
developing thrust » developing trust, developing through, developing forest
und personen » und personelle, der personen
a developing » a development
thrust areas » tourist areas, forest areas, karst areas
costs a » costs _, costs 4
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 personen communication costs a developing thrust areas.*.