Perhaps you should try some spelling variations:
"trinh hoa code snippets" » "trinh do code snippets", "trinh han code snippets", "trinh hoa co snippets", "trinh hoa cong snippets", "trinh hoa code slippers"
"dung dong code snippets" » "dung cong code snippets", "vung dong code snippets", "dung trong code snippets", "dung dong co snippets", "dung dong che snippets", "dung dong cong snippets", "dung dong code slippers"
"locating bug code 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"trinh hoa code snippets\") OR (\"dung dong code snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( trinh hoa code snippets ) OR ( dung dong code snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh hoa code snippets") OR ("dung dong code snippets"))) OR ("locating bug code snippets"))*.