Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam trong du snippets" » "lam truong du snippets", "nam trong du snippets", "la trong du snippets", "lam trong dau snippets", "lam trong dua snippets", "lam trong su 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: (((("lam trong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lam trong du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam trong du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam trong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.