Perhaps you should try some spelling variations:
"cloud modeling algorithm" » "cloud making algorithm" (Expand Search), "flood modeling algorithm" (Expand Search), "cloud model algorithm" (Expand Search), "flow modeling algorithm" (Expand Search)
"element tree algorithms" » "element three algorithms" (Expand Search), "element art algorithms" (Expand Search), "element two algorithms" (Expand Search), "element ree algorithms" (Expand Search), "element te algorithms" (Expand Search), "element ore algorithms" (Expand Search)
"settlement data algorithm" » "settlement data algorithms" (Expand Search), "settlement update algorithm" (Expand Search), "settlement atlas 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: (("cloud modeling algorithm") OR ((("element tree algorithms") OR ("settlement data algorithm"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cloud modeling algorithm\") OR (((\"element tree algorithms\") OR (\"settlement data algorithm\"))))".
• Removing quotes may allow a broader search: (( cloud modeling algorithm ) OR ((( element tree algorithms ) OR ( settlement data algorithm )))).
• Adding a wildcard symbol may retrieve word variants: (("cloud modeling algorithm") OR ((("element tree algorithms") OR ("settlement data algorithm"))))*.