Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua nha moi snippets" » "luan nha moi snippets", "cua nha moi snippets", "vua nha moi snippets", "lua nha noi snippets", "lua nhap mon snippets", "lua nghe moi 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 nha moi 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 nha moi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua nha moi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua nha moi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.