Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
migration papers » migration patterns, migration dangers, migration pattern
la developpement » le developpement, de developpement, et developpement
communication 1 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
technology u.s » technology uses, technology 2.2, technology use
u.s migration » mass migration, does migration, 1 migration
papers paper » papers papers, papers chapter, papers other
paper 6.2 » paper 1.2, paper 9.2, paper 23.2
l afrique » en afrique
1 la » a la, 1 a, _ la

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

• Adding a wildcard symbol may retrieve word variants: technology u.s migration papers paper 6.2 communication 1 la developpement l afrique.*.