Perhaps you should try some spelling variations:
"dung data a snippets" » "dung dat a snippets", "dung dan a snippets", "dung dau a snippets", "dung data _ snippets", "dung data 4 snippets", "dung data a slippers"
"python using a snippets" » "python using a 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.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung data a snippets") or ("python using a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung data a snippets") OR ("python using a snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung data a snippets ) or ( python using a snippets ))) or ( locating bug code snippets )).
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