Perhaps you should try some spelling variations:
"nhan luan trinh slippers" » "nhan xuan trinh slippers", "nhan luan tinh slippers", "nhan luan tranh slippers", "nhan luc trinh slippers", "nhan dan trinh slippers", "phap luan trinh slippers", "nhan luan trinh slippery", "nhan luan 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 luan 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 luan trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan luan trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan luan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.