Perhaps you should try some spelling variations:
"dung hung code snippets" » "dung chung code snippets", "dung nhung code snippets", "dung huong code snippets", "dung bug code snippets"
"trinh cad code snippets" » "trinh cau code snippets", "trinh cac code snippets", "trinh cam code snippets", "trinh cfd code snippets", "trinh cad model snippets"
"locating bug core snippets" » "locating bug 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 hung code snippets") OR ("trinh cad code snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung hung code snippets\") OR (\"trinh cad code snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung hung code snippets ) OR ( trinh cad code snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung hung code snippets") OR ("trinh cad code snippets"))) OR ("locating bug core snippets"))*.