Perhaps you should try some spelling variations:
"post processing algorithm" » "post modeling algorithm" (Expand Search), "post routing algorithm" (Expand Search), "post tracking algorithm" (Expand Search), "waste processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search), "food processing algorithm" (Expand Search)
"element all algorithms" » "element ml algorithms" (Expand Search), "element art algorithms" (Expand Search), "element rl algorithms" (Expand Search), "elements small algorithms" (Expand Search), "element data algorithms" (Expand Search)
"element em algorithm" » "element new algorithm" (Expand Search), "element _ algorithm" (Expand Search), "element ii algorithm" (Expand Search), "element ree algorithm" (Expand Search), "element g algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("element em algorithm") OR ("element all algorithms"))) OR ("post processing algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"element em algorithm\") OR (\"element all algorithms\"))) OR (\"post processing algorithm\"))".
• Removing quotes may allow a broader search: (((( element em algorithm ) OR ( element all algorithms ))) OR ( post processing algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("element em algorithm") OR ("element all algorithms"))) OR ("post processing algorithm"))*.