Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"toc viet phan snippets" » "toc viet thanh snippets", "toc viet ha snippets", "toc viet van snippets", "hoc viet phan snippets", "thuc viet phan snippets", "ngoc viet phan 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 ("toc viet phan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( toc viet phan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("toc viet phan snippets"))) or ("locating bug core snippets"))*.