Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua toan chi snippets" » "cua toan chi snippets", "luan hoan chi snippets", "xuan toan chi snippets", "lua toan cao snippets", "lua tai chi snippets", "lua luan chi 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 toan chi 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 toan chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua toan chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua toan chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.