Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"tap danh dat slippers" » "tac danh dat slippers", "tao danh dat slippers", "tap dan dat slippers", "tap danh bat slippers", "tap dinh dat slippers", "tap danh dat slippery", "tap danh 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: (((("tap danh 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: (((("tap danh dat slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tap danh dat slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tap danh dat slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.