Perhaps you should try some spelling variations:
"trinh va code snippets" » "trinh van code snippets", "trinh vat code snippets", "trinh ve code snippets"
"trong cac code slippers" » "trong cac cong slippers", "trong cac co slippers", "trong cac che slippers"
"locating bug code snippets" » "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: (((("trinh va code snippets") or ("trong cac code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh va code snippets") OR ("trong cac code slippers"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( trinh va code snippets ) or ( trong cac code slippers ))) or ( locating bug code snippets ))*.