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