Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"chat cu dung snippets" » "chat cua dung snippets", "chat co dung snippets", "hat cu dung snippets", "chat su dung snippets", "chat cau duong snippets", "chat duc dung 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 ("chat cu dung snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( chat cu dung snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("chat cu dung snippets"))) or ("locating bug core snippets"))*.