Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam cua le snippets" » "nam cua le snippets", "lam chat le snippets", "lam cua te snippets", "lam cua he snippets", "lam cua ly 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: (((("lam cua le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam cua le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam cua le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cua le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.