Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung cua co snippets" » "dung luan co snippets", "dung cho co snippets", "dung cua bo snippets", "dung cua cong snippets"
"dung heidi code snippets" » "dung heid code snippets", "dung heida code snippets", "dung heini 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 cua co snippets") or ("dung heidi code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cua co snippets") OR ("dung heidi code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung cua co snippets ) or ( dung heidi code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung cua co snippets") or ("dung heidi code snippets"))) or ("locating bugs code snippets"))*.