Perhaps you should try some spelling variations:
"motion optimization algorithms" » "motion optimisation algorithm", "motion estimation algorithms", "motion estimation algorithm", "policy optimization algorithms", "allocation optimization algorithms"
"_ simulation algorithm" » "_ estimation algorithm", "_ optimisation algorithm", "_ estimation algorithms"
"_ solution algorithm" » "_ evolution algorithm", "_ convolution algorithms", "_ evolutionary algorithm", "_ solutions algorithm"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("_ simulation algorithm") or ("_ solution algorithm"))) or ("motion optimization algorithms"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("_ simulation algorithm") OR ("_ solution algorithm"))) OR ("motion optimization algorithms")).
• Removing quotes may allow a broader search: (((( _ simulation algorithm ) or ( _ solution algorithm ))) or ( motion optimization algorithms )).
• Adding a wildcard symbol may retrieve word variants: (((("_ simulation algorithm") or ("_ solution algorithm"))) or ("motion optimization algorithms"))*.