Perhaps you should try some spelling variations:
"trinh cham code slippers" » "trinh chat code slippers", "trinh chao code slippers", "trinh han code slippers"
"dong va code snippets" » "dung va code snippets", "dong ha code snippets", "luong va 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 cham code slippers") or ("dong va code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cham code slippers") OR ("dong va code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh cham code slippers ) or ( dong va code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cham code slippers") or ("dong va code snippets"))) or ("locating bug code snippets"))*.