Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tan van thin snippets" » "tan van thinh snippets", "tan van thien snippets", "tan van thi snippets", "tran van thin snippets", "tang van thin snippets", "luan van thin 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 ("tan van thin snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tan van thin snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tan van thin snippets"))) or ("locating bug core snippets"))*.