Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology trade » technology trends, technology transfer, technology transfers
education affect » education act, education africa, education after
au developpement » du developpement, de developpement, le developpement
trade education » grade education, grades education, trade reduction
affect prices » affect ariel, affect crime, affect driver
des afrique » en afrique, de l'afrique
prices 3.2 » price 3.2, prices 3.1, prices 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade education affect prices 3.2 communication _ au developpement des afrique.*.