Perhaps you should try some spelling variations:
"hoc luong trinh slippers" » "hoc chuong trinh slippers", "hoc phuong trinh slippers", "hoc cong trinh slippers", "hoc thuong trinh slippers", "hoc truong trinh slippers", "hoc luong trinh slippery", "hoc luong 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"

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 ("hoc luong trinh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("hoc luong trinh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hoc luong trinh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hoc luong trinh slippers"))) or ("locating bug code snippets"))*.