Perhaps you should try some spelling variations:
"trinh tran hanh slippers" » "trinh trang hanh slippers", "trinh toan hanh slippers", "trinh tren hanh slippers", "trinh tran thanh slippers", "trinh tran manh slippers", "trinh tran anh slippers", "trinh tran hanh slippery", "trinh tran hanh grippers"
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

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