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