Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cong so tan snippets" » "cong san tan snippets", "cong hoa tan snippets", "cong so than snippets", "cong so toan snippets", "cong so tay 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: (((("cong so tan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( cong so tan snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cong so tan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.