Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"lua dao dan slippers" » "luat dat dan slippers", "luat dan dan slippers", "luat dau dan slippers", "lua dao van slippers", "lua cao dang slippers", "lua dao dong slippers", "lua dao dan slippery", "lua dao dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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 ("lua dao dan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("lua dao dan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( lua dao dan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("lua dao dan slippers"))) or ("locating bug code snippets"))*.