Perhaps you should try some spelling variations:
"modified dfdamdaptive estimation algorithm" » "modified adaptive estimation algorithm", "modified _damdaptive estimation algorithm", "modified adamdamdaptive estimation algorithm", "modified bi1damdaptive estimation algorithm"
"modified df simulation algorithm" » "modified df solution algorithm", "modified df optimisation algorithm", "modified df estimation algorithms", "modified _ simulation algorithm", "modified a simulation algorithm", "modified 3d simulation algorithm", "modified adam simulation algorithm", "modified bi1 simulation algorithm"

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