Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duoc han tap snippets" » "duoc ha tap snippets", "duc han tap snippets", "duoc ban tap snippets", "duoc han tai snippets", "duoc toan tap snippets", "duoc nhan tai snippets", "duoc han tap 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: (((("duoc han tap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc han tap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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