Perhaps you should try some spelling variations:
private developments » private development, private developers, price developments
technology theory » technology thesis, technology other, technology history
theory attention » theory tension, other's attention, theory extensions
attention some » attention model, attention james, attention from
costs private » cost private, losses private, bonds private
does mobile » das mobile
some does » size does, one does, role does

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

• Adding a wildcard symbol may retrieve word variants: technology theory attention some does mobile communication costs private developments _ car.*.