Perhaps you should try some spelling variations:
"trinh cac code snippets" » "trinh cau code snippets", "trinh chat code snippets", "trinh chao code snippets", "trinh cac cong snippets", "trinh cac co snippets", "trinh cac che snippets", "trinh cac code slippers"
"dung ung trong snippets" » "dung dung trong snippets", "dung cung trong snippets", "dung vung trong snippets", "dung trung trong snippets", "dung quang trong snippets", "dung chung trong snippets", "dung ung trong 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 cac code snippets\") OR (\"dung ung trong snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( trinh cac code snippets ) OR ( dung ung trong snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trinh cac code snippets") OR ("dung ung trong snippets"))) OR ("locating bug code snippets"))*.