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