Perhaps you should try some spelling variations:
"data processing algorithm" » "data processing algorithms" (Expand Search)
"post modeling algorithm" » "post scheduling algorithm" (Expand Search), "most modeling algorithm" (Expand Search), "cost modeling algorithm" (Expand Search)
"element two algorithms" » "element _ algorithms" (Expand Search), "elements two algorithms" (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: (((("post modeling algorithm") OR ("data processing algorithm"))) OR ("element two algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"post modeling algorithm\") OR (\"data processing algorithm\"))) OR (\"element two algorithms\"))".
• Removing quotes may allow a broader search: (((( post modeling algorithm ) OR ( data processing algorithm ))) OR ( element two algorithms )).
• Adding a wildcard symbol may retrieve word variants: (((("post modeling algorithm") OR ("data processing algorithm"))) OR ("element two algorithms"))*.