Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chi len cong snippets" » "chi den cong snippets", "chi le cong snippets", "chi len con snippets", "chi ben cong snippets", "thi lien cong snippets", "chet len cong 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: (((("chi len cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chi len cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chi len cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chi len cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.