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 thon snippets" » "dong luc thon snippets", "thong tu thon snippets", "dong tai thon snippets", "dong tu chon snippets", "dong tu hon 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 thon snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dong tu thon snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong tu thon snippets"))) or ("locating bug core snippets"))*.