Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai luan de snippets" » "bai toan de snippets", "li luan de snippets", "vay luan de snippets", "bai luan den snippets", "bai luan ve snippets", "bai luat de 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: (((("bai luan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai luan de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai luan de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai luan de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.