Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"tan cua cau snippets" » "than cua cau snippets", "tang cua cau snippets", "toan cua cau snippets", "tan chua cau snippets", "tan cua cac snippets", "tan cua chu 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 ("tan cua cau snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tan cua cau snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tan cua cau snippets"))) or ("locating bug core snippets"))*.