Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh sau code snippets" » "trinh san code snippets", "trinh cau code snippets", "trinh su code snippets", "trinh sau de snippets"
"dung java java slippers" » "dung va java slippers", "dung java java slippery", "dung java java grippers"

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