Perhaps you should try some spelling variations:
"cong trinh cau snippets" » "cong trinh chat snippets", "cong trinh chao snippets", "cong trinh tu snippets"
"trinh do code snippets" » "trinh ky code snippets", "trinh do core snippets"
"locating bug code snippets" » "locating bug core 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 do code snippets") or ("cong trinh cau snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh do code snippets") OR ("cong trinh cau snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh do code snippets ) or ( cong trinh cau snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh do code snippets") or ("cong trinh cau snippets"))) or ("locating bug code snippets"))*.