Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
informacion 1.6.2 » information 1.5.2, information 1.2.2, information 2.6.2
ec communication » de communication, 3 communication, 4 communication
technologie der » technologie de, technologien des, technologies de
der informacion » der information, de informacion, der informations
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing 1 » developing _, developing a, developing e
1.6.2 best » 11.2.2 best, 13.2.2 best, 5.2.2 best
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
best ec » best e, best bet
1 areas » 1 area, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologie der informacion 1.6.2 best ec communication cost 2.2 developing 1 areas.*.