Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu can noi snippets" » "tu van noi snippets", "tu cau noi snippets", "tu ban noi snippets", "tu cac noi snippets", "su can noi 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: (((("tu can noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu can noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu can noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu can noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.