Perhaps you should try some spelling variations:
estimation algorithms » estimation algorithm, optimization algorithms, optimisation algorithm
objective estimation » objective optimization, objective allocation
method algorithm » mom algorithm
nursing method » nursing methods
code nursing » code using, care nursing, models nursing

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified objective estimation algorithms ) OR ( code nursing method algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified objective estimation algorithms ) OR ( code nursing method algorithm ))".
• Adding a wildcard symbol may retrieve word variants: (( modified objective estimation algorithms ) OR ( code nursing method algorithm ))*.