Perhaps you should try some spelling variations:
technology theory » technology thesis, technology other, technology history
theory attention » theory tension, other's attention, theory extensions
rice development » mine development, site development, service development
attention one » attention over, attention some, attention model
does mobile » das mobile
costs rice » costs rise, cost price, costs risk

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

• Adding a wildcard symbol may retrieve word variants: technology theory attention one does mobile communication costs rice development _ car.*.