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