Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung cua den snippets" » "chung cua den snippets", "dung cua den snippets", "cong cua den snippets", "cung cua dan snippets", "cung cua nen snippets", "cung cua dang 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: (((("cung cua 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: (((("cung cua den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung cua den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung cua den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.