Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh hoa do snippets" » "thanh hoa do snippets", "khanh hoa do snippets", "nganh hoa do snippets", "danh hoa doi snippets", "danh hoa doc snippets", "danh hoa don 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: (((("danh hoa do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh hoa do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh hoa do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh hoa do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.