Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.7 communications » 3.1 communications, 2.7 communication, 3 communications
des developpements » deux developpements, de developpement, et developpements
developpements la » developpement la, developpements de, developpement de
technology users » technology use, technology series, technology transfers
users section » use section, users fiction, causes section
section wages » sector wages, section ageism, sector wage
wages race » wages trade, wage rate, wages case
la afrique » l afrique, la fabrique, en afrique
costs des » costs fees
race 3.7 » races 3.5, range 3.7, race 1.4

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

• Adding a wildcard symbol may retrieve word variants: technology users section wages race 3.7 communications costs des developpements la afrique.*.