Perhaps you should try some spelling variations:
technology learning » technology planning, technology training, technological learning
learning innovation » learning motivation
innovation teaching » innovative teaching, innovation learning, innovation machine
des communication » les communications, nets communication, c's communication
development use » development using, development under, development unit
de development » e development, ce development, de developpement
teaching a » teaching _, teaching aids
a des » a der, a das
a de » a die, a der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technology learning innovation teaching a des communication a de development use africa.*.