Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc son da snippets" » "duc ton da snippets", "duc con da snippets", "duy son da snippets", "duc song da snippets", "duc son la snippets", "duc son ha 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: (((("duc son 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: (((("duc son da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc son da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc son da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.