Perhaps you should try some spelling variations:
"dung coc thanh slippers" » "dung cuoc thanh slippers", "dung hoc thanh slippers", "dung cac thanh slippers", "dung co thanh slippers", "dung coc thanh slippery", "dung coc thanh grippers"
"dung java java snippets" » "dung va java snippets"
"locating bug code snippets" » "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 coc thanh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung coc thanh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung coc thanh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung coc thanh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.