Perhaps you should try some spelling variations:
leur developpement » le developpement, deux developpements, de developpement
developpement en » developpement et, developpement des, developpement de
11 integration » 10 integration, 4.1 integration, 1.2 integration
technology 11 » technology 1.1, technology 110, technology 171
costs leur » costs clear
race mass » rate mass, race class, face masks
3 race » _ race, a race, 3 rate

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

• Adding a wildcard symbol may retrieve word variants: technology 11 integration 3 race mass communication costs leur developpement en afrique.*.