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