Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"yong wang du snippets" » "ying wang du snippets", "cong wang du snippets", "yong fang du snippets", "yong nang du snippets", "yong tang du snippets", "yong hang du 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 wang du snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( yong wang du snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("yong wang du snippets"))) or ("locating bugs code snippets"))*.