Perhaps you should try some spelling variations:
"modified caging optimisation algorithmss" » "modified caging optimisation algorithm", "modified caging estimation algorithms", "modified caging estimation algorithm", "modified staffing optimization algorithmss"
"modified allocation optimization algorithms" » "modified allocation optimisation algorithm", "modified allocation estimation algorithms", "modified allocation estimation algorithm", "modified location optimization 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 caging optimisation algorithmss"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("modified allocation optimization algorithms") OR ("modified caging optimisation algorithmss")).
• Removing quotes may allow a broader search: (( modified allocation optimization algorithms ) or ( modified caging optimisation algorithmss )).
• Adding a wildcard symbol may retrieve word variants: (("modified allocation optimization algorithms") or ("modified caging optimisation algorithmss"))*.