Perhaps you should try some spelling variations:
information mining » information making, information modeling, information handling
debt communication » de communication, et communication, get communication
4.1 development » 3.1 development, 2.1 development, 2.3 development
mining state » mining stage, making state, managing state
state debt » rate debt
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
a trends » 2 trends, 3 trends, a trend

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information mining state debt communication costs 4.1 development a trends.*.