Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xuat dan cac snippets" » "luat dan cac snippets", "xuat ban cac snippets", "xuat san cac snippets", "xuat dan cach snippets", "xuat dang cac snippets", "xuat dan ca 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: (((("xuat dan cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xuat dan cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuat dan cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuat dan cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.