Perhaps you should try some spelling variations:
"waste processing algorithm" » "waste processing algorithms" (Expand Search), "image processing algorithm" (Expand Search), "text processing algorithm" (Expand Search), "melt processing algorithm" (Expand Search)
"elements method algorithm" » "elements mould algorithm" (Expand Search)
"data using algorithm" » "data cosine algorithm" (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("data using algorithm") OR ("waste processing algorithm"))) OR ("elements method algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data using algorithm\") OR (\"waste processing algorithm\"))) OR (\"elements method algorithm\"))*".
• Removing quotes may allow a broader search: (((( data using algorithm ) OR ( waste processing algorithm ))) OR ( elements method algorithm ))*.