Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lua hong le snippets" » "luan phong le snippets", "luat huong le snippets", "luat thong le snippets", "lua thong le snippets", "lua hoang le snippets", "lua phong le 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 hong le 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 hong le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lua hong le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lua hong le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.