Perhaps you should try some spelling variations:
"duong anh trinh slippers" » "duong manh trinh slippers", "duong xanh trinh slippers", "duong vanh trinh slippers", "duong hanh trinh slippers", "duong anh tinh slippers", "duong thanh trinh slippers", "duong anh trinh slippery", "duong anh 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"

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: (((("duong anh 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: (((("duong anh trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong anh trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong anh trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.