Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duc tin da snippets" » "duc tien da snippets", "duc tan da snippets", "duc ton da snippets", "duc tinh da snippets", "duc tin di snippets", "duc tin va 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 tin 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 tin da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duc tin da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duc tin da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.