Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"dung viet data snippets" » "nang viet data snippets", "cong viet data snippets", "mang viet data snippets", "dung viet dat snippets", "dung viet ta snippets", "dung lieu data snippets", "dung viet data slippers"
"dung cfd code snippets" » "dung cho code snippets", "dung cua code snippets", "dung co code snippets", "dung cfd code slippers"

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: (((("dung viet data snippets") or ("dung cfd code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung viet data snippets") OR ("dung cfd code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dung viet data snippets ) or ( dung cfd code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung viet data snippets") or ("dung cfd code snippets"))) or ("locating bugs code snippets"))*.