Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc nha da snippets" » "luc nhat da snippets", "luc nhan da snippets", "luc ha da snippets", "luc nha ha snippets", "luc nha va snippets", "luc nhan dan 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: (((("luc nha 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: (((("luc nha da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc nha da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc nha da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.