Perhaps you should try some spelling variations:
"trinh viet code snippets" » "ninh viet code snippets", "trinh vat code snippets", "trinh viet co snippets", "trinh viet some snippets"
"trong cac code snippets" » "trong cac cong snippets", "trong cac co snippets", "trong cac che snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh viet code snippets") or ("trong cac code snippets"))) or ("locating bug code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh viet code snippets") OR ("trong cac code snippets"))) OR ("locating bug code slippers")).
• Removing quotes may allow a broader search: (((( trinh viet code snippets ) or ( trong cac code snippets ))) or ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh viet code snippets") or ("trong cac code snippets"))) or ("locating bug code slippers"))*.