Perhaps you should try some spelling variations:
"image 2_using algorithm" » "image cosine algorithm" (Expand Search)
"element data algorithm" » "element jaya algorithm" (Expand Search), "element deer algorithm" (Expand Search), "elements data algorithm" (Expand Search)
"data packing algorithm" » "data lacking algorithm" (Expand Search), "data parking algorithm" (Expand Search), "data tracking algorithm" (Expand Search)

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: (((("data packing algorithm") OR ("image 2_using algorithm"))) OR ("element data algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data packing algorithm\") OR (\"image 2_using algorithm\"))) OR (\"element data algorithm\"))".
• Removing quotes may allow a broader search: (((( data packing algorithm ) OR ( image 2_using algorithm ))) OR ( element data algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("data packing algorithm") OR ("image 2_using algorithm"))) OR ("element data algorithm"))*.