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