Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ham dan ngon snippets" » "ham danh ngon snippets", "ham ban ngon snippets", "ham da ngon snippets", "nam dan ngon snippets", "hat dan ngon snippets", "hai dan ngon snippets", "ham dan ngon 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: (((("ham dan ngon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham dan ngon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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