Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"da ngan hanh snippets" » "da ngan thanh snippets", "da ngan hang snippets", "da ngan danh snippets", "da nganh hanh snippets", "dai ngan hanh snippets", "dan ngan hanh snippets", "da ngan hanh 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: (((("da ngan hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("da ngan hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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