Perhaps you should try some spelling variations:
"discrete lines simulator" » "discrete lines simulation", "discrete eines simulators", "discrete online simulator", "discrete splines simulator", "discrete linear simulator", "discrete planes simulator", "discrete sines simulator", "discrete linears simulator", "discrete cosines simulator"
"discrete event simulator" » "discrete event simulation", "discrete event simulations", "discrete level simulator"
"discrete least simulator" » "discrete blast simulator", "discrete fast simulator", "discrete heart simulator", "discrete limit simulator", "discrete lot simulator"
"discrete line simulator" » "discrete online simulator", "discrete line simulation", "discrete alife simulator", "discrete sine simulator", "discrete linear simulator", "discrete cosine simulator"

Try widening your search to All Fields.

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("discrete line simulator") OR ("discrete lines simulator"))) OR ("discrete event simulator"))) OR ("discrete least simulator")).
• Removing quotes may allow a broader search: (((((( discrete line simulator ) or ( discrete lines simulator ))) or ( discrete event simulator ))) or ( discrete least simulator )).
• Adding a wildcard symbol may retrieve word variants: (((((("discrete line simulator") or ("discrete lines simulator"))) or ("discrete event simulator"))) or ("discrete least simulator"))*.