Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using cfd code snippets" » "using 3d code snippets", "using c code snippets", "using cfd code slippers"
"dung cac danh snippets" » "luong cac danh snippets", "dung cho danh snippets", "dung tai danh snippets", "dung cac doanh snippets", "dung cac dan snippets", "dung cac dang snippets", "dung cac danh slippers"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using cfd code snippets\") OR (\"dung cac danh snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using cfd code snippets ) OR ( dung cac danh snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using cfd code snippets") OR ("dung cac danh snippets"))) OR ("locating bugs code snippets"))*.