Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"cong trinh code snippets" » "cong trinh cong snippets", "cong trinh co snippets", "cong trinh cad snippets"
"trinh cuu de snippets" » "trinh cau de snippets", "trinh cua de snippets", "trinh chu de snippets", "trinh cuu ve 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 cuu de snippets") or ("cong trinh code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh cuu de snippets") OR ("cong trinh code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh cuu de snippets ) or ( cong trinh code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh cuu de snippets") or ("cong trinh code snippets"))) or ("locating bugs code snippets"))*.