Perhaps you should try some spelling variations:
"dung chung code snippets" » "dung cong code snippets", "dung trung code snippets", "truong chung code snippets", "dung chung co snippets", "dung chung code slippers"
"trinh doc tran snippets" » "trinh do tran snippets", "trinh hoa tran snippets", "trinh co tran snippets", "trinh boc tran snippets", "trinh doc than snippets", "trinh soc trang snippets", "trinh doc tran slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

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