Perhaps you should try some spelling variations:
"sang cfd code snippets" » "using cfd code snippets", "sang cho code snippets", "sang che code snippets", "sang cfd code slippers"
"dung cho code snippets" » "dung cho cong snippets", "dung cho con snippets", "dung cho code slippers"
"locating bug code 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: (((("sang cfd code snippets") or ("dung cho code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sang cfd code snippets") OR ("dung cho code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sang cfd code snippets ) or ( dung cho code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sang cfd code snippets") or ("dung cho code snippets"))) or ("locating bug code snippets"))*.