Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua cu den snippets" » "cua chu den snippets", "cua su den snippets", "cua co den snippets", "cua cu dien snippets", "cua cau den snippets", "cua cu dan 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: (((("cua cu 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: (((("cua cu den snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua cu den snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua cu den snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.