Perhaps you should try some spelling variations:
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets", "dung cong 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 cong 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 cong code snippets") OR ("phang lam code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cong code snippets ) or ( phang lam code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cong code snippets") or ("phang lam code snippets"))) or ("locating bug code snippets"))*.