Not everyone likes to search, but everyone like to find
Choose the right database!
Begin with the assumption that the information you need is out there - somewhere. If you don't begin with this assumption, you'll quit too soon or be satisfied with inferior results.
Don't aim for the grand slam: You may have to break your search strategy into the smaller components that make up your project.
Team Project: Developing a diver propulsion vehicle (DPV) to assist scuba divers and allow for improved endurance, range and safety when diving. The vehicle has four primary systems: Power/Propulsion, Controls/Ergonomics, Buoyancy/Stability, and Hydrodynamic Design.
Research is not elegant or pretty - RE search.
Language is imprecise; there are multiple ways of describing almost everything