Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viet gi de snippets" » "viet giao de snippets", "viet ngu de snippets", "viet goc de snippets", "viet gia de snippets", "viet ga de snippets", "viet gi he 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: (((("viet gi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet gi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viet gi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet gi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.