Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"vung tao duc snippets" » "vung tau duc snippets", "vung bao duc snippets", "vung tay duc snippets", "vung tao duoc snippets", "vung dao duc snippets", "vung tho duc 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 ("vung tao duc snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( vung tao duc snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("vung tao duc snippets"))) or ("locating bug core snippets"))*.