Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai luan phe snippets" » "bai toan phe snippets", "li luan phe snippets", "vay luan phe snippets", "bai luan che snippets", "bai luan pho snippets", "bai luan phan 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: (((("bai luan phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai luan phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai luan phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai luan phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.