Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xua cua cua snippets" » "xuat cua cua snippets", "qua cua cua snippets", "lua cua cua snippets", "xua cua chua snippets", "xua ca cua snippets", "xua qua 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: (((("xua cua 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: (((("xua cua cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xua cua cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xua cua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.