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