Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
oral communication » personal communication
technologien fur » technologien des, technologien und, technologies 2
developing water » developing after, developing rates, developing waste
fur information » zur information, fair information, your information
information 1.2 » information 1.5.2, information 2
water access » greater access, better access
why oral » why rural, why deal
1.2 why » 1.2 what

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information 1.2 why oral communication cost _ developing water access.*.