Perhaps you should try some spelling variations:
"post routing algorithm" » "post modeling algorithm" (Expand Search), "post finding algorithm" (Expand Search), "post making algorithm" (Expand Search), "post docking algorithm" (Expand Search), "post dosing algorithm" (Expand Search)
"element method algorithms" » "element two algorithms" (Expand Search), "element both algorithms" (Expand Search), "element other algorithms" (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)

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