Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan so toan snippets" » "dan so code snippets", "dan so tan snippets", "dan so than snippets", "dan bao toan snippets", "dan soc toan snippets", "dan su toan snippets", "dan mo toan snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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