Perhaps you should try some spelling variations:
"post processing algorithm" » "post modeling algorithm" (Expand Search), "post routing algorithm" (Expand Search), "post tracking algorithm" (Expand Search), "waste processing algorithm" (Expand Search), "wood processing algorithm" (Expand Search), "food processing algorithm" (Expand Search)
"data modelling algorithm" » "data modeling algorithm" (Expand Search)
"elements tree algorithms" » "elements three algorithms" (Expand Search), "elements art algorithms" (Expand Search), "elements two algorithms" (Expand Search), "elements ree algorithms" (Expand Search), "element ree algorithms" (Expand Search), "elements res 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: (((("data modelling algorithm") OR ("post processing algorithm"))) OR ("elements tree algorithms"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"data modelling algorithm\") OR (\"post processing algorithm\"))) OR (\"elements tree algorithms\"))".
• Removing quotes may allow a broader search: (((( data modelling algorithm ) OR ( post processing algorithm ))) OR ( elements tree algorithms )).
• Adding a wildcard symbol may retrieve word variants: (((("data modelling algorithm") OR ("post processing algorithm"))) OR ("elements tree algorithms"))*.