Perhaps you should try some spelling variations:
technologien fairs » technologien fur, technologien als, technologies fail
oral communication » personal communication
communication cost » communication costs, communication costa, communications costs
fairs information » fair information, aids information, dis information
development land » development band, development plans, development plan
information 1.2 » information 1.5.2, information 2
2.4 development » 2.3 development, 2.1 development, 2.2 development
how oral » how moral, how rural, how arab
1.2 how » 3.2 how, 4.2 how, 2.2 how
area. » areas.

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

• Adding a wildcard symbol may retrieve word variants: technologien fairs information 1.2 how oral communication cost 2.4 development land area.*.