Perhaps you should try some spelling variations:
"danh hieu trinh slippers" » "danh tieu trinh slippers", "danh lieu tinh slippers", "danh tien trinh slippers", "doanh hieu trinh slippers", "manh hieu trinh slippers", "dinh hieu trinh slippers", "danh hieu trinh slippery", "danh hieu trinh grippers"
"dung java java snippets" » "dung va java snippets"
"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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("danh hieu trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh hieu trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh hieu trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh hieu trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.