Perhaps you should try some spelling variations:
"trinh dan trinh slippers" » "trinh han trinh slippers", "trinh van trinh slippers", "trinh san trinh slippers", "trinh dan tinh slippers", "trinh hanh trinh slippers", "trinh dan trinh slippery", "trinh dan trinh grippers"
"dung ung code snippets" » "dung trung code snippets", "dung quang code snippets", "dung chung code snippets", "dung ung co 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 dan trinh slippers") or ("dung ung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh dan trinh slippers") OR ("dung ung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh dan trinh slippers ) or ( dung ung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dan trinh slippers") or ("dung ung code snippets"))) or ("locating bug code snippets"))*.