Perhaps you should try some spelling variations:
optimization algorithm » optimization algorithms, optimisation algorithm, estimation algorithm
evolution algorithm » solution algorithm, evolutionary algorithm, convolution algorithms
bi1 optimization » _ optimization, qoe optimization, game optimization
co evolution » _ evolution
modified bi1 » modified _
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 evolution algorithm ) OR ( modified bi1 optimization algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified co evolution algorithm ) OR ( modified bi1 optimization algorithm ))".
• Adding a wildcard symbol may retrieve word variants: (( modified co evolution algorithm ) OR ( modified bi1 optimization algorithm ))*.