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