Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap cau noi snippets" » "nhap ca noi snippets", "phap cau noi snippets", "nhap khau noi snippets", "nhap cau hoi snippets", "nhap cau doi snippets", "nhap cach 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: (((("nhap cau 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: (((("nhap cau noi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap cau noi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap cau noi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.