Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"tran du nhat snippets" » "tran duc nhat snippets", "tran duy nhat snippets", "trang du nhat snippets", "tran do nhat snippets", "tran du chat snippets", "tran lu nhat 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 du nhat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tran du nhat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tran du nhat snippets"))) or ("locating bug core snippets"))*.