Perhaps you should try some spelling variations:
"dong trinh thuc slippers" » "cong trinh thuc slippers", "dong tinh thuc slippers", "dong tranh thuc slippers", "dong trinh tu slippers", "dong trinh thi slippers", "dong trinh thuc slippery", "dong trinh thuc 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: (((("dong trinh thuc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong trinh thuc slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong trinh thuc slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong trinh thuc slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.