Perhaps you should try some spelling variations:
recommender system » recommender systems
technologies case » technologies based, technologies can, technologies create
case information » care information, based information, phase information
information 3 » information 2
3 development » 2 development
credit trend » credit three, credit trap
costs aware » cost aware
3 costs » 3 cost, 4 costs

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

• Adding a wildcard symbol may retrieve word variants: technologies case information 3 costs aware recommender system 3 development credit trend.*.