Perhaps you should try some spelling variations:
communication effors » communication efforts, communication errors, communication factors
pt developpement » et developpement, et developpements, de developpement
technology than » technology tax, technology trap, technology change
4 communication » 3 communication, 5.4 communication, de communication
developpement l » developpement il, developpement la, developpement de
than section » thin section, chain section, mean section
section data » sectional data
l afrique » en 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 than section data sparse 4 communication effors pt developpement l afrique.*.