Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cay chu toan snippets" » "cay chi toan snippets", "cay chu tuan snippets", "cay cuu toan snippets", "ca chu toan snippets", "cac chu toan snippets", "can chu 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: (((("cay chu 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: (((("cay chu toan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cay chu toan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cay chu toan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.