Perhaps you should try some spelling variations:
"stool processing algorithm" » "stool routing algorithm" (Expand Search), "stool tracking algorithm" (Expand Search), "stool boosting algorithm" (Expand Search), "wood processing algorithm" (Expand Search), "food processing algorithm" (Expand Search), "signal processing algorithm" (Expand Search)
"data modeling algorithm" » "data making algorithm" (Expand Search), "data modelling algorithm" (Expand Search), "data models algorithm" (Expand Search)
"element data algorithms" » "element art algorithms" (Expand Search), "element all algorithms" (Expand Search), "element both algorithms" (Expand Search), "settlement data algorithms" (Expand Search), "relevant data algorithms" (Expand Search), "movement data algorithms" (Expand Search)

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