Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"trinh su trinh slippers" » "trinh tu trinh slippers", "trinh san trinh slippers", "trinh cau trinh slippers", "trinh su tinh slippers", "trinh qua trinh slippers", "trinh quy trinh slippers", "trinh su trinh slippery", "trinh su trinh 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: (((("trinh su trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( trinh su trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh su trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.