Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan tu quan snippets" » "dan tu quang snippets", "dan tu luan snippets", "dan te quan snippets", "danh tu quan snippets", "dan su quan snippets", "ban tu quan 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: (((("dan tu quan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dan tu quan snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dan tu quan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.