Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trinh iot dat slippers" » "trinh do dat slippers", "trinh hoa dat slippers", "trinh vat dat slippers", "trinh ion dat slippers", "trinh viet dat slippers", "trinh iot dat slippery", "trinh iot dat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dung java java snippets") OR ("trinh iot dat slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh iot dat slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh iot dat slippers"))) or ("locating bug code snippets"))*.