Perhaps you should try some spelling variations:
"luan anh trinh slippers" » "luan hanh trinh slippers", "luan anh tinh slippers", "luan thanh trinh slippers", "luan danh trinh slippers", "tuan anh trinh slippers", "lan anh trinh slippers", "luan anh trinh slippery", "luan 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: (((("luan 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: (((("luan anh trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan anh trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan anh trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.