Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu cac doan snippets" » "cuu cac doanh snippets", "cuu cac dan snippets", "cuu cac don snippets", "cua cac doan snippets", "cuu dac 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: (((("cuu cac 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: (((("cuu cac doan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu cac doan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu cac doan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.