Perhaps you should try some spelling variations:
communication series » communication services, communication systems, communication skills
level development » levels development, legal development, uneven development
10.4 information » 1.4 information, 3.4 information, 10 information
sa communication » la communication, a communication, asia communication
technology 10.4 » technology 1.1, technology 1.3, technology 10.2.1
development pan » development plan, development plans, development japan
series level » species level, service level, series leiden
pan african » pan american, can africa, pan africanism
do sa » de sa, do so

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

• Adding a wildcard symbol may retrieve word variants: technology 10.4 information law do sa communication series level development pan african.*.