Perhaps you should try some spelling variations:
fiber communication » power communication, better communication, de communication
development case » development china
oil development » rail development, tool development, social development
technology der » technology does, technology 4ir, technology dlt
der relative » der relativen, die relative, das relative
prices fiber » prices figure, prices power, prices labor
relative de » relative sea, relative age, relative _
case labor » care labor, based labor, male labor
de prices » do prices, debt prices, set prices
a oil » _ oil, 5 oil, 4 oil

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

• Adding a wildcard symbol may retrieve word variants: technology der relative de prices fiber communication a oil development case labor.*.