Perhaps you should try some spelling variations:
rail development » brain development, rural development, skill development
4 communication » 3 communication, 5.4 communication, de communication
technology lag » technology law, technology land, technology lays
development de » development d, development ds, developpement de
lag sectional » _ sectional
efforts rail » efforts fail, efforts real, efforts acd
de afrique » de l'afrique, en afrique, l afrique
sparse 4 » spare _, spare a, sparer 4

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

• Adding a wildcard symbol may retrieve word variants: technology lag sectional data sparse 4 communication efforts rail development de afrique.*.