Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dong da ung snippets" » "dong dat ung snippets", "dong dao ung snippets", "dong ha ung snippets", "dong dap ung snippets", "dong da dung snippets", "dong dan ung 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 ("dong da ung snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dong da ung snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong da ung snippets"))) or ("locating bug core snippets"))*.