Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lang cho cao snippets" » "sang cho cao snippets", "hang cho cao snippets", "lang co cao snippets", "lang cho cac snippets", "lang cho dao snippets", "lang cho can 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: (((("lang cho cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lang cho cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lang cho cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lang cho cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.