Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan mon toan snippets" » "dan mon code snippets", "dan manh toan snippets", "dan minh toan snippets", "dan nin toan snippets", "dap mon toan snippets", "dan dong toan snippets", "dong mon toan snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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