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