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