Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua nang hoc snippets" » "luan nang hoc snippets", "sua nang hoc snippets", "cua nang hoc snippets", "lua nang doc snippets", "lua nang luc snippets", "lua dong hoc 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 nang hoc 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 nang hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua nang hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua nang hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.