Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan chi xu snippets" » "phan thi xu snippets", "phan che xu snippets", "pham chi xu snippets", "phan choi xu snippets", "phan chi su snippets", "phan chi tu snippets", "phan chi xu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan chi xu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( phan chi xu snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("phan chi xu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.