Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cong cac bi snippets" » "cuong cac bi snippets", "cong tac bi snippets", "cong cau bi snippets", "cong cac bai snippets", "cong cac vi snippets", "cong cac bo 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 cac bi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( cong cac bi snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cong cac bi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.