Perhaps you should try some spelling variations:
"dang ngoc trinh slippers" » "dang ngoai trinh slippers", "dang ngoc thanh slippers", "dang ngoc minh slippers", "hoang ngoc trinh slippers", "van ngoc trinh slippers", "dang nghe trinh slippers", "dang ngoc trinh slippery", "dang ngoc 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: (((("dang ngoc 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: (((("dang ngoc trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang ngoc trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang ngoc trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.