Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dan dung dan snippets" » "van dung dan snippets", "tin dung dan snippets", "ap dung dan snippets", "dan dung dat snippets", "dan dung san snippets", "dan tung dan 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 core snippets") OR ("dan dung dan snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dan dung dan snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dan dung dan snippets"))) or ("locating bugs code snippets"))*.