Perhaps you should try some spelling variations:
"thuong han data slippers" » "thuong mai data slippers", "thuong va data slippers", "thuong gap data slippers", "thuong a data slippers", "thuong dan dat slippers", "thuong ban dat slippers", "thuong han data slippery", "thuong han data 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 java java snippets") or ("thuong han data slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("thuong han data slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( thuong han data slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("thuong han data slippers"))) or ("locating bug code snippets"))*.