Perhaps you should try some spelling variations:
"hung chu code snippets" » "nhung chu code snippets", "hung thu code snippets", "chung chou code snippets", "hung chu de snippets", "hung cfd code snippets", "hung chu code slippers"
"dung dan code snippets" » "dung dat code snippets", "dung san code snippets", "tung dan code snippets", "dung dan de snippets", "dung dan 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: (((("hung chu code snippets") or ("dung dan code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hung chu code snippets") OR ("dung dan code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hung chu code snippets ) or ( dung dan code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hung chu code snippets") or ("dung dan code snippets"))) or ("locating bug code snippets"))*.