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