Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua cau son snippets" » "luat cau son snippets", "cua cau son snippets", "quan cau son snippets", "lua cau song snippets", "lua cao son snippets", "lua cau cong 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 cau son 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 cau son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua cau son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua cau son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.