Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu moi den snippets" » "cua moi den snippets", "cuu hoi den snippets", "cuu mo den snippets", "cuu moi dan snippets", "cuu moi de 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: (((("cuu moi den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuu moi den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu moi den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu moi den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.