Perhaps you should try some spelling variations:
"dong cach nhanh slippers" » "dong cac nganh slippers", "dong cac nhan slippers", "dong cac thanh slippers", "dong cac nhanh slippers", "dong bach nhanh slippers", "phong cach nhanh slippers", "dong cach nhanh slippery", "dong cach nhanh 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 cach nhanh 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 cach nhanh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong cach nhanh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cach nhanh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.