Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat luat so snippets" » "dap luat so snippets", "dat luan so snippets", "dan luat so snippets", "dat thuat so snippets", "dat luat bao 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: (((("dat luat so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat luat so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat luat so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat luat so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.