Perhaps you should try some spelling variations:
"modified stochastic optimisation algorithm" » "modified stochastic optimization algorithm", "modified static optimization algorithm", "modified stochastic configuration algorithm", "modified stochastic optimization algorithms", "modified stochastic estimation algorithm", "modified stochastic estimation algorithms"
"mobile graining methods algorithm" » "mobile learning methods algorithm", "mobile learning method algorithm", "mobile making methods algorithm"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"mobile graining methods algorithm\") OR (\"modified stochastic optimisation algorithm\"))~".
• Removing quotes may allow a broader search: (( mobile graining methods algorithm ) OR ( modified stochastic optimisation algorithm ))~.
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