Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau boi toan snippets" » "cau bai toan snippets", "cau bong toan snippets", "cau gioi toan snippets", "cau hoi toan snippets", "cau doi toan snippets", "cau noi toan 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: (((("cau boi toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau boi toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau boi toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau boi toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.