Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"tran co cham snippets" » "tranh co cham snippets", "toan co cham snippets", "tran cong cham snippets", "tran ca cham snippets", "tran co champa snippets", "tran cao chat 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 ("tran co cham snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tran co cham snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tran co cham snippets"))) or ("locating bug core snippets"))*.