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