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