Perhaps you should try some spelling variations:
migration multiple » fixation multiple, extraction multiple, situations multiple
3.2 communication » 3 communication, 2.3 communication, de communication
das developpement » des developpements, de developpement, du developpement
technologies can » technologies a, technologies co, technologies _
developpement en » developpement et, developpement des, developpement de
communication 1 » communication _, communication a, communication 3
can migration » main migration, von migration, urban migration
multiple cwf » multiple cbs, multiple case, multiple _

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

• Adding a wildcard symbol may retrieve word variants: technologies can migration multiple cwf 3.2 communication 1 das developpement en afrique.*.