Perhaps you should try some spelling variations:
"phi du chat snippets" » "phi du code snippets", "phi duoc chat snippets", "phi dung chat snippets", "phi doc chat snippets", "phi dau chat snippets", "pha du chat snippets", "phi xu chat snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") OR ("phi du chat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( phi du chat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("phi du chat snippets"))) or ("locating bug core snippets"))*.