Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua nu doc snippets" » "cua ndu doc snippets", "cua ngu doc snippets", "cua su doc snippets", "cua n1 doc snippets", "cua n2 doc snippets", "cua n3 doc 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 nu doc 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 nu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua nu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.