Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua mang cua snippets" » "lua sang cua snippets", "qua mang cua snippets", "luan nang cua snippets", "lua manh cua snippets", "lua dung cua snippets", "lua ban cua 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 mang cua 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 mang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua mang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua mang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.