Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu tang o snippets" » "cuu nang o snippets", "cuu tong o snippets", "cuu thanh o snippets", "cuu trang o snippets", "cuu lang o 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 tang o 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 tang o snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu tang o snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu tang o snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.