Perhaps you should try some spelling variations:
"modified write optimization algorithms" » "modified write optimisation algorithm", "modified write estimation algorithms", "modified write estimation algorithm", "modified write optimisation algorithms", "modified write estimation algorithmss", "modified game optimization algorithms", "modified qoe optimization algorithms", "modified stage optimization algorithms"
"designed network optimization algorithm" » "designed network optimisation algorithm", "designed network estimation algorithm", "designed network estimation algorithms", "defined network optimization algorithm"

Try widening your search to All Fields.

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