Perhaps you should try some spelling variations:
"dang trinh java snippets" » "dang tinh java snippets", "dan trinh java snippets", "dong trinh java snippets", "dang trinh java slippers"
"dung ung dat snippets" » "dung trung dat snippets", "dung quang dat snippets", "dung chung dat snippets", "dung dung dat snippets", "dung vung dat snippets", "dung cung dat snippets", "dung ung dat slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dang trinh java snippets") or ("dung ung dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang trinh java snippets") OR ("dung ung dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang trinh java snippets ) or ( dung ung dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang trinh java snippets") or ("dung ung dat snippets"))) or ("locating bug code snippets"))*.