Perhaps you should try some spelling variations:
"dung cacfd code snippets" » "dung cac code snippets", "dung cfd code snippets"
"thong cay coc snippets" » "thong xay coc snippets", "thong cac coc snippets", "thong cap coc snippets", "thong cay co snippets", "thong cay cong 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: (((("dung cacfd code snippets") or ("thong cay coc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cacfd code snippets") OR ("thong cay coc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung cacfd code snippets ) or ( thong cay coc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cacfd code snippets") or ("thong cay coc snippets"))) or ("locating bug code snippets"))*.