Perhaps you should try some spelling variations:
"dung using sat snippets" » "dung ung sat snippets", "dung sinh sat snippets", "dung uong sat snippets", "dung using data snippets", "dung using a snippets", "dung using raw snippets"
"using cfd code snippets" » "using 3d code snippets", "using c code snippets"
"locating bug core snippets" » "locating bug code snippets"

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 using sat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using cfd code snippets") OR ("dung using sat snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( using cfd code snippets ) or ( dung using sat snippets ))) or ( locating bug core snippets ))*.