Perhaps you should try some spelling variations:
"dong duong phi slippers" » "tuong duong phi slippers", "cuong duong phi slippers", "dong thong phi slippers", "dong duong phia slippers", "dong duong thi slippers", "dong duong nhi slippers", "dong duong phi slippery", "dong duong phi 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 duong phi 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 duong phi slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong duong phi slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong duong phi slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.