Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach noi cao snippets" » "cach thoi cao snippets", "hanh noi cao snippets", "anh noi cao snippets", "cach noi cho snippets", "cach noi co snippets", "cach noi lao 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: (((("cach noi 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: (((("cach noi cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach noi cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach noi cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.