Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh dan code snippets" » "trinh han code snippets", "trinh van code snippets", "trinh san code snippets", "trinh dan de snippets"
"dang khai code slippers" » "dang khoi code slippers", "dang hai code slippers", "quang khai code slippers"

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 dan code snippets") or ("dang khai code slippers"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh dan code snippets") OR ("dang khai code slippers"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh dan code snippets ) or ( dang khai code slippers ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh dan code snippets") or ("dang khai code slippers"))) or ("locating bugs code snippets"))*.