Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologies ist » technologien ist, technologies ict, technologies iot
ist information » iot information, first information, cost information
developing west » developing tests, developing waste, developing east
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
modern mass » modern man, modern manors, modern asset
3.2 modern » 2.2 modern, 4.2 modern, 11.2 modern
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologies ist information 3.2 modern mass communication cost 2.2 developing west africa.*.