Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua gioi hon snippets" » "luan gioi hon snippets", "luan giai hon snippets", "luat giai hon snippets", "lua gio hon snippets", "lua gioi bon snippets", "lua gioi han 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 gioi hon 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 gioi hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua gioi hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua gioi hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.