Perhaps you should try some spelling variations:
"dung mat nguoi snippets" » "dung ma nguoi snippets", "dung mot nguoi snippets", "dung mac nguoi snippets", "duong mat nguoi snippets", "dung dat nguoi snippets", "dung may nguoi snippets", "dung mat nguoi slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 mat nguoi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung mat nguoi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung mat nguoi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung mat nguoi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.