Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua co doc snippets" » "cua bo doc snippets", "cua cong doc snippets", "cua co duoc snippets", "cua co hoc snippets", "cua co dot 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 co 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 co doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua co doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua co doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.