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