Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi nang di snippets" » "hoi nang di snippets", "khoi nganh di snippets", "khoai lang di snippets", "khoi nang du snippets", "khoi hang di snippets", "khoi nang ji 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 nang di 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 nang di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi nang di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi nang di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.