Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa tu da snippets" » "khoa thu da snippets", "kho tu da snippets", "khoa thuy da snippets", "khoa tu dat snippets", "khoa tu dau snippets", "khoa tu 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: (((("khoa tu 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: (((("khoa tu da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa tu da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa tu da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.