Perhaps you should try some spelling variations:
solutions algorithm » evolution algorithm, evolutionary algorithm
objective solution » objective evolutionary, objective allocation
solution algorithm » evolution algorithm, convolution algorithms, evolutionary algorithm
df solutions » _ solutions, up solutions, _ solution
modified df » modified _, modified adam, modified bi1

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 solution algorithm ) OR ( modified df solutions algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified objective solution algorithm ) OR ( modified df solutions algorithm ))".
• Adding a wildcard symbol may retrieve word variants: (( modified objective solution algorithm ) OR ( modified df solutions algorithm ))*.