Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc su ho snippets" » "duc suc ho snippets", "duoc su ho snippets", "duc suu ho snippets", "duc su hoa snippets", "duc su hoc snippets", "duc su pho 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 su ho 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 su ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc su ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc su ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.