Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dien voi da snippets" » "dien hoa da snippets", "dien va da snippets", "hien vi da snippets", "dien voi dac snippets", "dien voi dai snippets", "dien voi dan 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: (((("dien voi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dien voi da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dien voi da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dien voi da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.