Perhaps you should try some spelling variations:
"component factor algorithm" » "component auction algorithm" (Expand Search), "component carlo algorithm" (Expand Search), "components factor algorithm" (Expand Search)
"elements custom algorithm" » "elements control algorithm" (Expand Search), "elements auction algorithm" (Expand Search), "elements cosine algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level colony algorithm" (Expand Search), "level scheduling algorithm" (Expand Search)

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("component factor algorithm") OR ("elements custom algorithm"))) OR ("level coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"component factor algorithm\") OR (\"elements custom algorithm\"))) OR (\"level coding algorithm\"))".
• Removing quotes may allow a broader search: (((( component factor algorithm ) OR ( elements custom algorithm ))) OR ( level coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("component factor algorithm") OR ("elements custom algorithm"))) OR ("level coding algorithm"))*.