Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tran tan san snippets" » "tran tuan san snippets", "tran van san snippets", "tran thanh san snippets", "tran tai san snippets", "tran tan van snippets", "tran han san 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 ("tran tan san snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tran tan san snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tran tan san snippets"))) or ("locating bug core snippets"))*.