Perhaps you should try some spelling variations:
interpersonal communication » intercultural communication
1 interpersonal » _ interpersonal, 1.2 interpersonal
development 2.4 » development 2.1, development 2.3, development 2.2
information 1 » information 2, information 3, information 3.2
technology 1 » technology _
2.4 african » 2.3 african, 2 african
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information 1 1 interpersonal communication costs a development 2.4 african.*.