Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan anh noi snippets" » "nhat anh noi snippets", "phan anh noi snippets", "nhan nhanh noi snippets", "nhan hanh noi 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: (((("nhan anh noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan anh noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan anh noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan anh noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.