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