Perhaps you should try some spelling variations:
oral communication » personal communication
information 3.3.2 » information 2.3.2, information 3.2.2, information 3.3.3
communication der » communication des, communication de, communication die
development aid » development a, development africa, development agenda
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
aid african » aid africa's, all african, six african
3.3.2 area » 4.5.2 area, 3.3.2 shared, 4.3.1.2 area
der human » d.c human

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information 3.3.2 area oral communication der human development aid african.*.