Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dao cao anh snippets" » "dao tao anh snippets", "bao cao anh snippets", "tao cao anh snippets", "dao cao dang snippets", "dao cao tang snippets", "dao cao bang 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 ("dao cao anh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dao cao anh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dao cao anh snippets"))) or ("locating bug core snippets"))*.