Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"goc co cua snippets" » "hoc co cua snippets", "toc co cua snippets", "goc do cua snippets", "goc con cua snippets", "goc ca cua snippets", "goc cong cua 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: (((("goc co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("goc co cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( goc co cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("goc co cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.