Perhaps you should try some spelling variations:
"trinh cac thuc snippets" » "trinh cau thuc snippets", "trinh chat thuc snippets", "trinh chao thuc snippets", "trinh cach thuc snippets", "trinh cac thu snippets", "trinh can thuc snippets", "trinh cac thuc slippers"
"trong cac code snippets" » "trong cac cong snippets", "trong cac co snippets", "trong cac che snippets", "trong cac 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.

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