Perhaps you should try some spelling variations:
"data model algorithm" » "data novel algorithm" (Expand Search), "data modbo algorithm" (Expand Search), "data modeling algorithm" (Expand Search), "data models algorithm" (Expand Search)
"develop tree algorithms" » "develop three algorithms" (Expand Search), "develop art algorithms" (Expand Search), "develop two algorithms" (Expand Search), "develop new algorithms" (Expand Search), "develop targeted algorithms" (Expand Search)
"element data algorithms" » "element art algorithms" (Expand Search), "element all algorithms" (Expand Search), "element both algorithms" (Expand Search), "settlement data algorithms" (Expand Search), "relevant data algorithms" (Expand Search), "movement data algorithms" (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 model algorithm") OR ((("develop tree algorithms") OR ("element data algorithms"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"data model algorithm\") OR (((\"develop tree algorithms\") OR (\"element data algorithms\"))))".
• Removing quotes may allow a broader search: (( data model algorithm ) OR ((( develop tree algorithms ) OR ( element data algorithms )))).
• Adding a wildcard symbol may retrieve word variants: (("data model algorithm") OR ((("develop tree algorithms") OR ("element data algorithms"))))*.