Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pha tran quy snippets" » "pham tran quy snippets", "pha tan quy snippets", "pha tron quy snippets", "pha tran duy snippets", "pha tran quoc snippets", "pha tran thuy snippets", "pha tran quy 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 ("pha tran quy snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("pha tran quy snippets"))) OR ("locating bug code snippets")).
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