Perhaps you should try some spelling variations:
"modified allocation optimization algorithms" » "modified allocation optimisation algorithm", "modified allocation estimation algorithms", "modified allocation estimation algorithm", "modified location optimization algorithms"
"modified stochastic optimized algorithm" » "modified stochastic optimization algorithm", "modified stochastic optimized algorithms", "modified stochastic optimizer algorithms"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("modified allocation optimization algorithms") or ("modified stochastic optimized algorithm"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified allocation optimization algorithms") OR ("modified stochastic optimized algorithm")).
• Removing quotes may allow a broader search: (( modified allocation optimization algorithms ) or ( modified stochastic optimized algorithm )).
• Adding a wildcard symbol may retrieve word variants: (("modified allocation optimization algorithms") or ("modified stochastic optimized algorithm"))*.