Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"phong cho dan snippets" » "phong chong dan snippets", "dong cho dan snippets", "luong cho dan snippets", "phong choi dan snippets", "phong cho dao snippets", "phong co dan 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 ("phong cho dan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( phong cho dan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("phong cho dan snippets"))) or ("locating bug core snippets"))*.