Perhaps you should try some spelling variations:
"hung trinh kiem slippers" » "hung trinh kinh slippers", "hung trinh dien slippers", "hung trinh ke slippers", "hung thinh kiem slippers", "hung tinh kiem slippers", "chuong trinh kiem slippers", "hung trinh kiem slippery", "hung trinh kiem grippers"
"dung java java snippets" » "dung va java snippets"
"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: (((("dung java java snippets") or ("hung trinh kiem slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("hung trinh kiem slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hung trinh kiem slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hung trinh kiem slippers"))) or ("locating bug code snippets"))*.