Perhaps you should try some spelling variations:
"implementing routing algorithm" » "implement routine algorithm" (Expand Search), "implementing building algorithm" (Expand Search), "implementing context algorithm" (Expand Search), "implementing modeling algorithm" (Expand Search), "implementing finding algorithm" (Expand Search), "implementing making algorithm" (Expand Search)
"level coding algorithm" » "level cosine algorithm" (Expand Search), "level modeling algorithm" (Expand Search), "level finding algorithm" (Expand Search), "level according algorithm" (Expand Search), "level using algorithm" (Expand Search)
"elements ii algorithm" » "elements _ algorithm" (Expand Search), "elements _ algorithms" (Expand Search), "elements b algorithm" (Expand Search), "elements fe 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: (((("implementing routing algorithm") OR ("elements ii algorithm"))) OR ("level coding algorithm"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"implementing routing algorithm\") OR (\"elements ii algorithm\"))) OR (\"level coding algorithm\"))".
• Removing quotes may allow a broader search: (((( implementing routing algorithm ) OR ( elements ii algorithm ))) OR ( level coding algorithm )).
• Adding a wildcard symbol may retrieve word variants: (((("implementing routing algorithm") OR ("elements ii algorithm"))) OR ("level coding algorithm"))*.