Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung h pham snippets" » "dung he pham snippets", "dung ha pham snippets", "dung ho pham snippets", "dung d pham snippets", "dung v pham snippets", "dung che pham 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: (((("dung h pham snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dung h pham snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung h pham snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.