Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cac duc tran snippets" » "cac duc tan snippets", "cac duc toan snippets", "cac duc tren snippets", "cac du tran snippets", "cac dac tran snippets", "cao duc tran snippets", "cac duc tran 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: (((("cac duc tran snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac duc tran snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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