Perhaps you should try some spelling variations:
"dong bang code slippers" » "dong bang cong slippers", "dong bang che slippers", "dong bang cot slippers", "dong san code slippers"
"trinh ke code snippets" » "trinh ky code snippets", "trinh he code snippets", "trinh ve code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code 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 ke code snippets") or ("dong bang code slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh ke code snippets") OR ("dong bang code slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ke code snippets ) or ( dong bang code slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ke code snippets") or ("dong bang code slippers"))) or ("locating bug code snippets"))*.