Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat duoc da snippets" » "dat nuoc da snippets", "da duoc da snippets", "luat duoc da snippets", "dat duoc dai snippets", "dat duoc dan snippets", "dat duoc dao snippets"
"locating bug code snippets" » "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: (((("dat duoc da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat duoc da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat duoc da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat duoc da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.