Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trac sach cap snippets" » "trac bach cap snippets", "toc sach cap snippets", "rau sach cap snippets", "trac sach dao snippets", "trac sach bai snippets", "trac sach xa 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 ("trac sach cap snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trac sach cap snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trac sach cap snippets"))) or ("locating bug core snippets"))*.