Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
role development » route development, rice development, code development
technologies 2 » technologies _, technologies 4
impact model » impact models, compact model, impacts modal
costs role » costs rise, costs road
pll data » poll data, pol data, fill data

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information _ pll data communications costs role development impact model.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information _ pll data communications costs role development impact model.*.