Perhaps you should try some spelling variations:
"doanh dan trinh slippers" » "doanh ban trinh slippers", "doanh van trinh slippers", "doanh dao trinh slippers", "doanh dan tinh slippers", "doanh hanh trinh slippers", "doanh dan trinh slippery", "doanh dan trinh 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"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("doanh dan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doanh dan trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doanh dan trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doanh dan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.