Perhaps you should try some spelling variations:
development saharan » development sarawak, development shared, development sharing
scale development » estate development, trade development, sme development
technologies 2.1 » technologies _, technologies 4, technologies a
21 communication » 1 communication, 2 communication, 2.14 communication
communication 1 » communication _, communication a, communication 3
2.1 informatik » 2.4 informatik, 2.1 information, 3.1 information
informatik der » information der, information oder, informatik und
der den » oder den, der de, der der
1 scale » a scale, 2 scale, 3 scale
den 21 » den 25, den 24, den 26

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 informatik der den 21 communication 1 scale development saharan africa.*.