Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"yong zhang yu snippets" » "yang zhang yu snippets", "ying zhang yu snippets", "yong zheng yu snippets", "yong chuang yu snippets", "yong chang xu snippets", "yong hang du 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 ("yong zhang yu snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( yong zhang yu snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("yong zhang yu snippets"))) or ("locating bug core snippets"))*.