Perhaps you should try some spelling variations:
convolution algorithm » convolution algorithms, evolution algorithm, solution algorithm
solutions algorithm » solution algorithm, evolution algorithm, evolutionary algorithm
passive solutions » positive solutions
modified learning » mobile learning, modified caging
modified passive » modified adaptive

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( modified passive solutions algorithm ) OR ( modified learning convolution algorithm ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( modified passive solutions algorithm ) OR ( modified learning convolution algorithm ))".
• Adding a wildcard symbol may retrieve word variants: (( modified passive solutions algorithm ) OR ( modified learning convolution algorithm ))*.