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