Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhom tay can snippets" » "nom tay can snippets", "nho tai can snippets", "nhom lam can snippets", "nhom tay cao snippets", "nhom tay ban snippets", "nhom tac can 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: (((("python using java snippets") or ("nhom tay can snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("nhom tay can snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( nhom tay can snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("nhom tay can snippets"))) or ("locating bug code snippets"))*.