Perhaps you should try some spelling variations:
"_ convolutional code coding program" » "_ convolutional codes coding program" (Expand search), "_ convolutional and coding program" (Expand search), "_ convolucional cnn coding program" (Expand search), "_ convolutional code cloning program" (Expand search), "_ convolutional code loading program" (Expand search), "_ convolutional code cooling programs" (Expand search), "_ convolutional code codigo program" (Expand search), "_ convolutional code according program" (Expand search)
"knowledge perceptions to python programming" » "knowledge perception to python programming" (Expand search), "knowledge perceptions of python programming" (Expand search), "knowledge perceptions on python programming" (Expand search), "knowledge perceptions tool python programming" (Expand search), "knowledge perceptions the python programming" (Expand search), "knowledge perceptions _ python programming" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("_ convolutional code coding program") OR ("knowledge perceptions to python programming"))~.
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