Perhaps you should try some spelling variations:
"dung nhan code snippets" » "dung luan code snippets", "dung nhan co snippets", "dung nhan con snippets", "dung nhan code slippers"
"phang lam code snippets" » "phan lam code snippets", "phong lam code snippets", "phuong lam code snippets", "phang lbm code snippets", "phang lam co snippets", "phang lam code 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: (((("dung nhan code snippets") or ("phang lam code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung nhan code snippets") OR ("phang lam code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nhan code snippets ) or ( phang lam code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nhan code snippets") or ("phang lam code snippets"))) or ("locating bug code snippets"))*.