Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tran so sinh snippets" » "tran si sinh snippets", "tran sy sinh snippets", "than so sinh snippets", "tran so sanh snippets", "tran so tinh snippets", "tran cho sinh snippets", "tran so sinh 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: (((("python using java snippets") or ("tran so sinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tran so sinh snippets"))) OR ("locating bug code snippets")).
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