Perhaps you should try some spelling variations:
"dung tran thuy slippers" » "dung tren thuy slippers", "hung tran thuy slippers", "dang tran thuy slippers", "dung thanh thuy slippers", "dung tran thi slippers", "dung tran huu slippers", "dung tran thuy slippery", "dung tran thuy 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 tran thuy 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 tran thuy slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung tran thuy slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung tran thuy slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.