Perhaps you should try some spelling variations:
data communication » data communications
communication 3 » communication _, communication a
sme development » trade development
typologies 4.2 » typologies 3.2, typologies 4.4, typologies 2.3
development de » development d, development ds, developpement de
4.2 variation » 2.2 variation, 4.1 variation, 7.2 variation
variation rq » variation _, variation 6, variation im
timss data » time data
rq timss » _ timss, 5 timss, a timss
3 sme » 3 same, _ sme, 3 smt

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

• Adding a wildcard symbol may retrieve word variants: typologies 4.2 variation rq timss data communication 3 sme development de l'afrique.*.