Perhaps you should try some spelling variations:
optical communication » optical communications, optic communication, political communication
communication model » communication media
does integration » comes integration, dis integration, res integration
integration work » integrating world, integration framework, integration 3
developpement en » developpement et, developpement des, developpement de
technology does » technology debts, technology data, technology dlt
d developpement » de developpement, du developpement, le developpement
model d » model du, modell d, model 1

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

• Adding a wildcard symbol may retrieve word variants: technology does integration work _ optical communication model d developpement en afrique.*.