Perhaps you should try some spelling variations:
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung hung code slippers"
"dong tin data snippets" » "thong tin data snippets", "luong tin data snippets", "dong kinh data snippets", "dong big data snippets", "dong tin bat snippets", "dong aid data snippets", "dong tin data 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: (((("dung hung code snippets") or ("dong tin data snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung hung code snippets") OR ("dong tin data snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung hung code snippets ) or ( dong tin data snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hung code snippets") or ("dong tin data snippets"))) or ("locating bug code snippets"))*.