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