Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung heea code snippets" » "dung he code snippets", "dung ha code snippets", "dung hieu code snippets", "dung heea code slippers"
"dong co code snippets" » "dong cfd code snippets", "dong co code slippers", "cong co 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 heea code snippets") or ("dong co code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung heea code snippets") OR ("dong co code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung heea code snippets ) or ( dong co code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung heea code snippets") or ("dong co code snippets"))) or ("locating bugs code snippets"))*.