Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets"
"trinh ca cac snippets" » "trinh cau cac snippets", "trinh cua cac snippets", "trinh cac cac snippets", "trinh va cac snippets"

Try widening your search to All Fields.

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

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