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