Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bon cong mot snippets" » "bo cong mot snippets", "ban cong mot snippets", "bot cong mot snippets", "bon cong dot snippets", "bon trong mot snippets", "bon cong mong 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: (((("bon cong mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bon cong mot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bon cong mot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bon cong mot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.