Perhaps you should try some spelling variations:
"3d simulation algorithms" » "3d estimation algorithms", "3d optimization algorithms", "3d solution algorithm", "a simulation algorithms", "mri simulation algorithms", "via simulation algorithms"
"_ simulation algorithms" » "_ estimation algorithms", "_ optimization algorithms", "_ solution algorithm"
"pose estimation algorithm" » "poses estimation algorithm", "post estimation algorithm", "jose estimation 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: (("pose estimation algorithm") or ((("3d simulation algorithms") OR ("_ simulation algorithms"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("pose estimation algorithm") OR ((("3d simulation algorithms") OR ("_ simulation algorithms")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pose estimation algorithm\") or (((\"3d simulation algorithms\") OR (\"_ simulation algorithms\"))))".
• Removing quotes may allow a broader search: (( pose estimation algorithm ) or ((( 3d simulation algorithms ) OR ( _ simulation algorithms )))).
• Adding a wildcard symbol may retrieve word variants: (("pose estimation algorithm") or ((("3d simulation algorithms") OR ("_ simulation algorithms"))))*.