Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac do tuan snippets" » "cac do xuan snippets", "cac do quang snippets", "cac don tuan snippets", "cac doi tuan snippets", "cac du tuan 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: (((("cac do tuan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( cac do tuan snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cac do tuan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.