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