Perhaps you should try some spelling variations:
"doanh trong thi slippers" » "doanh tong thi slippers", "doanh thuong thi slippers", "dinh trong thi slippers", "doanh trong thoi slippers", "doanh trong thu slippers", "doanh trong tho slippers", "doanh trong thi slippery", "doanh trong thi 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 ("doanh trong thi slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("doanh trong thi slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( doanh trong thi slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("doanh trong thi slippers"))) or ("locating bug code snippets"))*.