Perhaps you should try some spelling variations:
"dung dat trinh snippets" » "dung dan trinh snippets", "dung lap trinh snippets", "dung dat trong snippets", "dung va trinh snippets", "dung tai trinh snippets"
"dung cfd code snippets" » "dung cho code snippets", "dung cua code snippets", "dung co code snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung cfd code snippets") or ("dung dat trinh snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung cfd code snippets") OR ("dung dat trinh snippets"))) OR ("locating bug code slippers"))*.
• Removing quotes may allow a broader search: (((( dung cfd code snippets ) or ( dung dat trinh snippets ))) or ( locating bug code slippers ))*.