Perhaps you should try some spelling variations:
oral communication » personal communication
communication qos » communication _, communication a, communication 3
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
information 9.2 » information 1.2, information 2.2, information 9.7
debatten oral » debatten om, debate moral, debatten das
9.2 debatten » 2.1 debatten, 3.2.6 debatten, die debatten

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

• Adding a wildcard symbol may retrieve word variants: technology _ information 9.2 debatten oral communication qos le developpement en afrique.*.