Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"tang dan cao snippets" » "tang van cao snippets", "tung dan cao snippets", "tang luan cao snippets", "tang dan ca snippets", "tang dam cao snippets", "tang dan bao 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 ("tang dan cao snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tang dan cao snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tang dan cao snippets"))) or ("locating bugs code snippets"))*.