Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"choc vung cac snippets" » "hoc ung cac snippets", "hoc dung cac snippets", "cac vung cac snippets", "choc dung cac snippets", "choc luong cac snippets", "choc cuong cac 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 ("choc vung cac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( choc vung cac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("choc vung cac snippets"))) or ("locating bug core snippets"))*.