Perhaps you should try some spelling variations:
optimization algorithms » optimisation algorithm, estimation algorithms, estimation algorithm
evolutionary algorithm » evolution algorithm, solution algorithm
modified network » certified network, defined network, modified near
co evolutionary » co evolution
modified co » modified _, modified df, modified orca

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified co evolutionary algorithm ) or ( modified network optimization algorithms ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( modified co evolutionary algorithm ) OR ( modified network optimization algorithms )).
• Adding a wildcard symbol may retrieve word variants: (( modified co evolutionary algorithm ) or ( modified network optimization algorithms ))*.