Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
technology needs » technology new
migration papers » migration patterns, migration dangers, migration pattern
la developpement » le developpement, de developpement, et developpement
developpement en » developpement et, developpement des, developpement de
needs migration » nexus migration, does migration, cells migration
papers spaces » papers papers, papers paper, places spaces
spaces 1.3 » spaces 11.3, spaces 12.3, spaces 13.3
3.3 la » 2.3 la, 1.3 la, 3.3 le

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

• Adding a wildcard symbol may retrieve word variants: technology needs migration papers spaces 1.3 communication 3.3 la developpement en afrique.*.