Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"cong cong toc snippets" » "cong dong toc snippets", "trong cong toc snippets", "dung cong toc snippets", "cong cong tac snippets", "cong cong coc snippets", "cong cong uoc snippets"
"locating bug core snippets" » "locating bug code 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: (((("using java code snippets") OR ("cong cong toc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cong cong toc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cong cong toc snippets"))) or ("locating bug core snippets"))*.