Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat giay cau snippets" » "dat gia cau snippets", "dat giao cau snippets", "cau giay cau snippets", "dat gian cac snippets", "dat gia cam snippets", "dat gia cat 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: (((("dat giay cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat giay cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat giay cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat giay cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.