Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan dau cac snippets" » "phan tu cac snippets", "hang dau cac snippets", "phan dau cay snippets", "phan dan cac snippets", "phan dao cac 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: (((("phan dau 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: (((("phan dau cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan dau cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan dau cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.