Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan dang te snippets" » "phan dau te snippets", "phan cong te snippets", "nhan dan te snippets", "phan dang de snippets", "phan dang ve snippets", "phan dung te 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 dang te 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 dang te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan dang te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan dang te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.