Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tran huy can snippets" » "tran thuy can snippets", "trang huy can snippets", "tran huu can snippets", "tran duy can snippets", "tran thuy canh snippets", "tran huy tran snippets"
"locating bug core snippets" » "locating bug code 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 ("tran huy can snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tran huy can snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tran huy can snippets"))) or ("locating bug core snippets"))*.