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