Perhaps you should try some spelling variations:
development class » development case, development cross, development cases
mine development » sme development, trade development, business development
information age » information storage, information access, information about
communication 1 » communication _, communication a, communication 3
class african » glass african, class americans, across african
das mass » does mass, das main, das max
age das » age days, frage das, age case
1 mine » _ mine, a mine, 1 mise

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information age das mass communication 1 mine development class african.*.