Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
communication law » communications law, communication layer, communication 3
laos development » labs development, lao development, loans development
formationen gas » formationen des, formationen als, formationen der
development de » development d, development ds, developpement de
de afrique » de l'afrique, en afrique, l afrique
gas data » gis data, hbs data
data 6.2 » data 2.2, data 6.3, data 1.2
law laos » law laws, law labor, law law

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

• Adding a wildcard symbol may retrieve word variants: technologies _ formationen gas data 6.2 communication law laos development de afrique.*.