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