Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"yan zhang ca snippets" » "yang zhang ca snippets", "ban hang ca snippets", "van khang ca snippets", "yan hang ca snippets", "yan thang cua snippets", "yan hang cua 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 ("yan zhang ca snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( yan zhang ca snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("yan zhang ca snippets"))) or ("locating bugs code snippets"))*.