Perhaps you should try some spelling variations:
"trong tranh ung slippers" » "trong thanh ung slippers", "trong trang ung slippers", "trong nganh ung slippers", "trong trinh ung slippers", "trong tranh nhung slippers", "trong tranh quang slippers", "trong tranh ung slippery", "trong tranh ung 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 ("trong tranh ung slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("trong tranh ung slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( trong tranh ung slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("trong tranh ung slippers"))) or ("locating bug code snippets"))*.