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