Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"duc cong hoc snippets" » "duc cuong hoc snippets", "dung cong hoc snippets", "nuoc cong hoc snippets", "duc dong hoc snippets", "duc cong hoa snippets", "duc cong coc 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 ("duc cong hoc snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( duc cong hoc snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("duc cong hoc snippets"))) or ("locating bugs code snippets"))*.