Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dam phan ii snippets" » "d phan ii snippets", "va phan ii snippets", "van phan ii snippets", "dam phan bi snippets", "dam phan vi snippets", "dam phan giai snippets", "dam phan ii 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: (((("dam phan ii snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dam phan ii snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dam phan ii snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.