Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
technologies 4 » technologies _
estimation 3 » estimation _
barriers le » barriers law, barriers key, barriers _
de faire » se faire, des fairen, den fairen
3 does » 13 does, 2 does, 4 does

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 estimation 3 does _ communication barriers le developpement de faire.*.