Perhaps you should try some spelling variations:
coupled communication » couple communication, complex communication, called communication
macro developments » major developments, market developments, sector developments
communication 3 » communication _, communication a
technologie 4 » technologien 4, technologie c, technologie 3
phase coupled » shaft coupled
labor phase » labor case, vapor phase, labor clause
4 rural » a rural, 2 rural
3 macro » _ macro, a macro, 2 macro

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

• Adding a wildcard symbol may retrieve word variants: technologie 4 rural labor phase coupled communication 3 macro developments _ afrique.*.