Perhaps you should try some spelling variations:
"cong viet code slippers" » "cong viet co slippers", "cong viet some slippers", "cong viec code slippers", "thong viet code slippers", "nang viet code slippers"
"chung v code snippets" » "chung vi code snippets", "chung ve code snippets", "chuong v 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: (((("chung v code snippets") or ("cong viet code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chung v code snippets") OR ("cong viet code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chung v code snippets ) or ( cong viet code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chung v code snippets") or ("cong viet code slippers"))) or ("locating bug code snippets"))*.