Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam dau da snippets" » "lan dau da snippets", "lam giau da snippets", "luat dau da snippets", "lam dau va snippets", "lam dan da snippets", "lam dau ha 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 dau 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: (((("lam dau da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam dau da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam dau da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.