Perhaps you should try some spelling variations:
"trinh nhat anh slippers" » "trinh chat anh slippers", "trinh nha anh slippers", "trinh nhap anh slippers", "trinh nhat hanh slippers", "trinh nhat minh slippers", "trinh nhat ban slippers", "trinh nhat anh slippery", "trinh nhat anh 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 nhat anh 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 nhat anh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trinh nhat anh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trinh nhat anh slippers"))) or ("locating bug code snippets"))*.