Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thay dua hoi snippets" » "chay dua hoi snippets", "thay doi hoi snippets", "thi dua hoi snippets", "thay cua hoi snippets", "thay dua hon snippets", "thay dua moi 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: (((("thay dua hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thay dua hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thay dua hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thay dua hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.