Perhaps you should try some spelling variations:
interpersonal communication » intercultural communication
1 interpersonal » _ interpersonal, 1.2 interpersonal
development 1.1 » development 2.1, development 2.3, development 2.2
3 information » 1 information
information 2 » information 3
4 development » 2 development, 4 developing
technology 3 » technology _, technology 1, technology 4
1.1 african » 11 african, 2.1 african, 4.1 african
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information 2 1 interpersonal communication costs 4 development 1.1 african.*.