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