Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dung mai qua snippets" » "dung tai qua snippets", "dung sai qua snippets", "dung hai qua snippets", "dung mai quan snippets", "dung mai quang snippets", "dung hai quan snippets", "dung mai qua 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: (((("dung mai qua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung mai qua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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