Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers"
"trinh san code snippets" » "trinh han code snippets", "trinh van code snippets", "trinh quan code snippets", "trinh san co snippets", "trinh san cong snippets"
"dung von code snippets" » "dong von code snippets", "dung cong code snippets", "dung va code snippets", "dung von cong 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 san code snippets") or ("dung von code snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh san code snippets") OR ("dung von code snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( trinh san code snippets ) or ( dung von code snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh san code snippets") or ("dung von code snippets"))) or ("locating bugs code slippers"))*.