Perhaps you should try some spelling variations:
"tranh hang thin slippers" » "trinh han thin slippers", "tran hoang thin slippers", "tranh hoang thinh slippers", "tranh hang chinh slippers", "tranh hung thinh slippers", "tranh hang thin slippery", "tranh hang thin 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 ("tranh hang thin slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("tranh hang thin slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( tranh hang thin slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("tranh hang thin slippers"))) or ("locating bug code snippets"))*.