Perhaps you should try some spelling variations:
"tung dan trinh slippers" » "tung dan tinh slippers", "tung van trinh slippers", "tung hanh trinh slippers", "dung dan trinh slippers", "huong dan trinh slippers", "trung dai trinh slippers", "tung dan trinh slippery", "tung dan 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: (((("tung dan 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: (((("tung dan trinh slippers") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tung dan trinh slippers ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tung dan trinh slippers") or ("dung java java snippets"))) or ("locating bug code snippets"))*.