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