Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dong tu tran snippets" » "dong luc tran snippets", "thong tu tran snippets", "dong tai tran snippets", "dong tu trang snippets", "dong tu tren snippets", "dong tu than 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 ("dong tu tran snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dong tu tran snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong tu tran snippets"))) or ("locating bug core snippets"))*.