Perhaps you should try some spelling variations:
"dung lam van snippets" » "dung luan van snippets", "dung tai van snippets", "dung dat van snippets", "dung lam san snippets", "dung nam van snippets", "dung dam van snippets", "dung lam van slippers"
"dung dataea code snippets" » "dung dataea core snippets", "dung dataea code slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "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: (((("dung dataea code snippets") or ("dung lam van snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dataea code snippets") OR ("dung lam van snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dataea code snippets ) or ( dung lam van snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dataea code snippets") or ("dung lam van snippets"))) or ("locating bug code snippets"))*.