Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dang ba don snippets" » "dang bac don snippets", "dang bai don snippets", "dang ha don snippets", "dang la don snippets", "dang va don snippets", "dang bat dong 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 ba don 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 ba don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang ba don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang ba don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.