Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc ky kinh snippets" » "duc ly kinh snippets", "duc ky sinh snippets", "duc ket kinh snippets", "duoc ky kinh snippets", "du ky kinh snippets", "duc sy kinh snippets", "duc ky kinh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("duc ky kinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc ky kinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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