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