Perhaps you should try some spelling variations:
developpement la » developpement de, developpement et, developpement du
pollution level » pollution levels
3 communication » 4 communication, de communication, data communication
a developpement » au developpement, de developpement, le developpement
technology 3.1 » technology 1, technology 2.2, technology _
3.1 pollution » 3.2 pollution, 2.2 pollution, 3 pollution
level price » level pre, level privacy, level process
la fabrice » la fabrique, la matrice, la farce
price 3 » price _, price a, price 2.3
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 3.1 pollution level price 3 communication costs a developpement la fabrice.*.