Perhaps you should try some spelling variations:
"nhan tieu trinh slippers" » "nhan tien trinh slippers", "nhan tien thinh slippers", "nhan trieu tinh slippers", "nhan dieu trinh slippers", "han tieu trinh slippers", "nhan hieu trinh slippers", "nhan tieu trinh slippery", "nhan tieu 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: (((("nhan tieu 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: (((("nhan tieu trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan tieu trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan tieu trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.