Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"dang do dan slippers" » "nang doc dan slippers", "dung doi dan slippers", "dang duc dan slippers", "dang do danh slippers", "dang dao dan slippers", "dang do dang slippers", "dang do dan slippery", "dang do 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 ("dang do 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 ("dang do dan slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dang do dan slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dang do dan slippers"))) or ("locating bug code snippets"))*.