Perhaps you should try some spelling variations:
"dang xuan trinh slippers" » "dang qua trinh slippers", "dang xuan dinh slippers", "dang xuan kinh slippers", "dong xuan trinh slippers", "dung xuan trinh slippers", "lang xuan trinh slippers", "dang xuan trinh slippery", "dang xuan 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 xuan 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 xuan trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang xuan trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang xuan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.