Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khang noi ve snippets" » "khang voi ve snippets", "hanh noi ve snippets", "nang noi ve snippets", "khang moi ve snippets", "khang noi va 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: (((("khang noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khang noi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khang noi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khang noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.