Perhaps you should try some spelling variations:
"using cfd code snippets" » "using 3d code snippets", "using c code snippets", "using cfd core snippets", "using cfd code slippers"
"dung tan dat snippets" » "dung toan dat snippets", "duong tan dat snippets", "dung tai dat snippets", "dung dan dat snippets", "dung ban dat snippets", "dung tan dac snippets", "dung tan dat 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: (((("using cfd code snippets") or ("dung tan dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using cfd code snippets") OR ("dung tan dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using cfd code snippets ) or ( dung tan dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using cfd code snippets") or ("dung tan dat snippets"))) or ("locating bug code snippets"))*.