Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat lam da snippets" » "nha lam da snippets", "phat lam da snippets", "nhat ban da snippets", "nhat lam dau snippets", "nhat lam dao snippets", "nhat lam dat 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: (((("nhat lam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat lam da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat lam da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat lam da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.