Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers", "locating bugs code snippets"
"dung java java snippets" » "dung va java snippets"
"trinh qua dat snippets" » "trinh quan dat snippets", "trinh cua dat snippets", "trinh quang dat snippets", "trinh quy dat snippets", "trinh qua da snippets", "trinh qua dan 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: (((("dung java java snippets") or ("trinh qua dat snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trinh qua dat snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh qua dat snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh qua dat snippets"))) or ("locating bugs code slippers"))*.