Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
developpement la » developpement de, developpement et, developpement du
technology der » technology does, technology 4ir, technology dlt
der collective » des collective, does collective, new collective
collective tax » collection tax, collective a, collective ban
tax prices » gas prices, car prices, tax practices
prices 3.5 » prices 3.1, prices 3.2, prices 7.5
la afrique » l afrique, la fabrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology der collective tax prices 3.5 communication modes _ developpement la afrique.*.