Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc xay don snippets" » "thuc day don snippets", "tuc xay don snippets", "thuat xay don snippets", "thuc xay dung snippets", "thuc day dong snippets", "thuc tay 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: (((("thuc xay 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: (((("thuc xay don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc xay don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc xay don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.