Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung su hoa snippets" » "dung su code snippets", "dung cu hoa snippets", "dung du hoa snippets", "dung so hoa snippets", "dung su hoan snippets", "dung su hoat snippets", "dung su khoa snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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