Perhaps you should try some spelling variations:
optical communication » optical communications, optic communication, political communication
communication model » communication media
technology houses » technology courses, technology uses, technology focused
houses integrated » based integrated, model integrated, humans integrated
du developpement » de developpement, le developpement, et developpement
integrated land » integrated plan, integrated flood, integrated care
developpement l » developpement il, developpement la, developpement de
a optical » _ optical, 3 optical, 4 optical
l afrique » en afrique
model du » model due, model d, model dal
land a » land _, poland a

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

• Adding a wildcard symbol may retrieve word variants: technology houses integrated land a optical communication model du developpement l afrique.*.