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