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