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"
"hung tran dung snippets" » "huong tran dung snippets", "quang tran dung snippets", "hung thang dung snippets", "hung tran dang snippets", "hung tran hung snippets", "hung tran quang snippets", "hung tran dung 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.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using cfd code snippets") or ("hung tran dung snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using cfd code snippets") OR ("hung tran dung snippets"))) OR ("locating bug code snippets")).
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