Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc ve doan snippets" » "thuc va doan snippets", "thuc te doan snippets", "thuc viet doan snippets", "thuc le doan snippets", "thuc ve dan snippets", "thuc ket doan 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 ve doan 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 ve doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc ve doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc ve doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.