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