Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phong so toc snippets" » "phong so code snippets", "phong mo toc snippets", "phong cho toc snippets", "cong so toc snippets", "phong so hoc snippets", "phong co toc snippets", "phong ho toc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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