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